Monday

January 26, 2015

January 26, 2015

Number of results: 29,808

**physics**

A space station Radar locates sattelites A and B at a certain moment: A_0=(a_1,0,1^3), B_0=(0,b_2,b_3) the space station is located at (0,0,0) and the sattelites moves with a uniform velocity related to the space station: v_A=(V_A,0,0), v_B=(V_B,V_B,0) what is the minimal ...
*November 2, 2014 by Adam*

**MATH**

A plane flying with a constant speed of 24 km/min passes over a ground radar station at an altitude of 4 km and climbs at an angle of 45 degrees. At what rate, in km/min, is the distance from the plane to the radar station increasing 2 minutes later? Rate = km/min The vertical...
*March 6, 2007 by Jia*

**CALCULUS **

A plane, flying horizontally at an altitude of 1 km and a speed of 500 km/hr, passes directly over a radar station. find the rate in km/hr at which the distance from the plane to the station is changing when it is 2 km away from the radar station. Hint: this is not a max/min ...
*April 24, 2014 by TANYA*

**trig**

a ship has maintained a bearing of 47 degrees. ( a bearing is the angle measured clockwise from due north) a) how far has the ship sailed if it is 200 miles north of its original position? b) how far east of its original position is the ship? c) if the ship's average speed is ...
*October 5, 2008 by jerson*

**trig**

Two tracking stations are on the equator 134 miles apart. A weather balloon is located on a bearing of N 38°E from the western station and on a bearing of N 19°E from the eastern station. How far is the balloon from the western station? Round to the nearest mile.
*March 28, 2012 by Anonymous*

**Pre Cal**

Two tracking stations are on the equator 158 miles apart. A weather balloon is located on a bearing of N 41degrees E from the western station and on a bearing of N 21degrees E from the eastern station. How far is the balloon from the western station.
*April 9, 2012 by Kara*

**Trig**

Two tracking stations are on the equator 161 miles apart. A weather balloon is located on a bearing of N 32°E from the western station and on a bearing of N 16°E from the eastern station. How far is the balloon from the western station? Round to the nearest mile.
*November 19, 2014 by Nicole*

**bearing and distance**

Two vehicles p and q leave a station at the same time.p travels 8km/hour on a bearing of 025 degree and q 5km/hour on a bearing of 45 degree west of north.how far apart are they and what is the bearing of p from q after 3hours?
*June 14, 2014 by mary*

**trigonomentry**

Ada travels from A on a bearing of 60˚ to station B on a distance of 15km.she then leaves to station C 10km away from B due east of station
*March 2, 2014 by anna*

**calculus**

A plane flying horizontally at an altitude of 1 mi and a speed of 500 mi/h passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when it is 2 mi away from the station. I drew a diagram and figured out I need to ...
*March 4, 2012 by Daniel*

**calculus**

a plane flying horizontally at an altitude of 2 mi and a speed of 460 mi/h passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 5 mi away from the station.
*November 17, 2011 by L.J*

**trig**

Two tracking stations are on the equator 135 miles apart. A weather balloon is located on a bearing of N 37 degrees E from the weastern station and on a bearing of N 19 degrees E from the eastern station. How far is the balloon from the weastern station?
*April 21, 2013 by Taylor*

**physics**

A train starts from station A at 1pm and reaches station B at 3 pm, aftet travelling 108 km. It halts at station B for one hour and then starts for station c which is 42 km fron station B. It reaches station c at 7pm on the same day. The avg speed fo the train for the whole ...
*August 19, 2014 by karan*

**PRECALCULUS**

An airplane is flying at a speed of 250 mph at an altitude of 4 miles. The plane passes directly above a radar station at time t=0. Find the distance s between the plane and the radar station after 5 minutes.
*May 27, 2011 by OSCAR*

**Math**

A lighthouse is east of a Coast Guard patrol boat. The Coast Guard station is 20 km north of the lighthouse. The radar officer aboard the boat measures the angle between the lighthouse and the station to be 23°. How far is the boat from the station?
*May 8, 2013 by Grace*

**Calc**

A plane flying horizontally at an altitude of 1 mi and a speed of 510 mi/h passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when it is 6 mi away from the station. (Round to the nearest whole number.)
*November 8, 2009 by Peter*

**Cal**

A plane flying horizontally at an altitude of 3 mi and a speed of 480 mi/h passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when it is 6 mi away from the station. (Round to the nearest whole number.)
*November 11, 2010 by Jordan*

**math cal**

A plane flying horizontally at an altitude of 3 mi and a speed of 480 mi/h passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when it is 6 mi away from the station. (Round to the nearest whole number.)
*November 17, 2010 by anna*

**calculus**

A plane flying horizontally at an altitude of 1 mi and a speed of 560 mi/h passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when it is 2 mi away from the station. (Round your answer to the nearest whole number.)
*October 2, 2012 by Anonymous*

**calculus**

A drone aeroplane is flying horizontally to a constant height of 4000 ft above a fixed radar tracking station. At a certain instant the angle of elevation theta is 30 degrees and decreasing, and the speed of the aeroplane is 300 mi/h a) How fast is theta decreasing at this ...
*April 24, 2012 by Paige*

**Calc**

How do I do this related rates problem? A plane flying horizontally at an altitude of 1 mi and a speed of 510 mi/h passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when it is 6 mi away from the station. (...
*November 10, 2009 by Derick*

**calculus**

A plane flying with a constant speed of 23 km/min passes over a ground radar station at an altitude of 5 km and climbs at an angle of 35 degrees. At what rate, in km/min is the distance from the plane to the radar station increasing 7 minutes later?
*February 25, 2010 by angel*

**Calculus**

A plane flying with a constant speed of 24 km/min passes over a ground radar station at an altitude of 8 km and climbs at an angle of 20 degrees. At what rate, in km/min, is the distance from the plane to the radar station increasing 2 minutes later?
*March 1, 2010 by Danny*

**math**

A plane flying with a constant speed of 14 km/min passes over a ground radar station at an altitude of 7 km and climbs at an angle of 35 degrees. At what rate, in km/min, is the distance from the plane to the radar station increasing 5 minutes later?
*May 24, 2011 by Alexandra*

**Calculus**

A plane flying with a constant speed of 4 km/min passes over a ground radar station at an altitude of 5 km and climbs at an angle of 45 degrees. At what rate, in km/min is the distance from the plane to the radar station increasing 4 minutes later?
*October 7, 2011 by Anonymous*

**Trigonometry**

Two radar stations are 50 miles apart. Both are tracking the same plane. At this moment, the angle between station 1 and the plane is 73 degrees and the angle between station 2 and the plane is 46 degrees. How far is the plane from station 2?
*May 6, 2014 by Ryan*

**math**

a cb radio station c is located 3 mi from the interstate highway h. the station has a range of 6.1 mi in all directions from the station. if the interstate is along a straight line, how many miles of highway are in the range of this staion?
*May 15, 2012 by jay*

**Math**

A distressed ship is 10 miles south and 8 miles east of a coast guard station. a) What bearing should the coast guard boat take to reach the distressed ship? b)How many miles will the coast guard boat travel? c)If the coast guard boat is traveling 30 miles per hour, how long ...
*January 6, 2015 by Andrew*

**calculas**

A plane flying with a constant speed of 19 km/min passes over a ground radar station at an altitude of 4 km and climbs at an angle of 25 degrees. At what rate is the distance from the plane to the radar station increasing 3 minutes later? The distance is increasing at
*October 26, 2013 by Anonymous*

**Trigonometry**

A ship is passing thru the island of corregidor. At its closest point of approach radar determine that it is 2,400 m away. Later the radar determines that it is 2,650 m away . a.)By what angle did the ship's bearing from corregidor change ? b.)How far did the ship travel but ...
*December 3, 2012 by Lelouch*

**Calculus**

A plane flying with a constant speed of 5 km/min passes over a ground radar station at an altitude of 4 km and climbs at an angle of 35 degrees. At what rate, in km/min is the distance from the plane to the radar station increasing 10 minutes later? I got it down to [250-20cos...
*September 25, 2009 by Z32*

**Calculus**

4. A gas station stands at the intersection of a north-south road and an east-west road. A police car is traveling towards the gas station from the east, chasing a stolen truck which is traveling north away from the gas station. The speed of the police car is 100 mph when it ...
*April 7, 2010 by MILEY*

**CALCULUS**

A gas station stands at the intersection of a north-south road and an east-west road. A police car is traveling towards the gas station from the east, chasing a stolen truck which is traveling north away from the gas station. The speed of the police car is 100 mph when it is 3...
*April 8, 2010 by MILEY*

**calculus**

shortly after taking off, a plane is climbing at an angle of 30° and traveling at a constant speed of 640 ft/sec as it passes over a ground radar tracking station. At that instant of time, the altitude of the plane is 1000 ft. How fast is the distance between the plane and the...
*October 18, 2011 by Anonymous*

**Calc**

A plane that is flying horizontally at an altitude of 6 kilometers and a speed of 680 kilometers per hour passes directly over a radar station. How fast is the distance between the plane and the radar station increasing when the distance between the two is 9 kilometers
*October 20, 2009 by Georgia*

**calculus**

A plane that is flying horizontally at an altitude of 6 kilometers and a speed of 570 kilometers per hour passes directly over a radar station. How fast is the distance between the plane and the radar station increasing when the distance between the two is 14 kilometers
*October 28, 2013 by Matr*

**Math**

A train leaves a station and travels north at a speed of 45mph. Four hours later, a second train leaves on a parallel track and travels north at 105 mph. How far from the station will they meet? The trains will meet ________ miles away from the station
*March 5, 2014 by Pam*

**Calculus**

A rocket is launched into the air verically is tracked by a radar station on the ground 3 km from the launch site. What is the veritcal speed of the rocket at the instant when the distance from the radar station is 5 km and this distance is increasing at a rate of 5 000km/hr...
*December 10, 2006 by Thomas*

**Airplane & Radar**

(Airplane & Radar) An airplane is flying (horizontally) at the height of 6 km on a flight path that will take it directly over a radar tracking station (on ground). If the distance D between the plane and the radar is decreasing at a rate of 300 km/hr, find the speed of the ...
*December 15, 2011 by math*

**Calculus**

At a given moment, a plane passes directly above a radar station at an altitude of 7 miles. (a) If the plane's speed is 400 mph, how fast is the distance between the plane and the station changing half an hour later? (b) How fast is the distance between the plane and the ...
*November 4, 2012 by Anna*

**MATH**

A plane flying with a constant speed of 24 km/min passes over a ground radar station at an altitude of 5km and climbs at an angle of 35 degrees. At what rate, in km/min, is the distance from the plane to the radar station increasing 4 minutes later? You should draw out a ...
*March 8, 2007 by jimmy*

**physics**

1. A ship has a top speed of 3.0 m/s in calm water. The current of the ocean tends to push the boat at 2.0 m/s on a bearing of due South. What will be the net velocity of the ship if the captain points his ship on a bearing of 55 North or West and applies full power?
*March 5, 2014 by Amanda*

**Trigonometry**

A car traveling at a constant rate due east passes an interstate exit that is 1.0 mile from a gas station. The gas station is S50°E of the exit. After the car has traveled for 2.0 minutes, its bearing to the gas station is S55°W. How fast is the car traveling?
*September 29, 2014 by Theresa*

**Cosine Law**

For the next three questions, choose which is the most appropriate method to solve the problem, explain your answer. a) SOACAHTOA b) The Sine Law c) The Cosine Law d) The problem cannot be solved without further information 1) Yachts in a race have to sail a triangular course...
*May 25, 2014 by Jane*

**Calculus test tomorrow**

A plane flying with a constant speed of 24 km/min passes over a ground radar station at an altitude of 5km and climbs at an angle of 35 degrees. At what rate, in km/min, is the distance from the plane to the radar station increasing 4 minutes later? I know side A=5 but how do ...
*March 8, 2007 by jimmy*

**Calc**

An airplane is flying at a speed of 350 mi/h at an altitude of one mile and passes directly over a radar station at time t=0. a) Express the horizontal distance d (in miles) that the plane has flown as a function of t. I really don't know... would it be something like d= t . a...
*September 19, 2010 by Chelsea*

**Cosine Law NEED HELP QUCIK**

For the next three questions, choose which is the most appropriate method to solve the problem, explain your answer. a) SOACAHTOA b) The Sine Law c) The Cosine Law d) The problem cannot be solved without further information 1) Yachts in a race have to sail a triangular course...
*May 27, 2014 by Jane*

**Calculus**

An airplane is flying at a speed of 350 mi/h at an altitude of one mile and passes directly over a radar station at time t=0. a) Express the horizontal distance d (in miles) that the plane has flown as a function of t. b) Express the distance s between the plane and the radar ...
*September 21, 2010 by Chelsea*

**Algebra 2**

at 2 pm a freight train leaves a station and travels at 42 km/h. at 11pm and express train leaves the same station on a parallel track and travels at 105 km/h in the same direction. how far from the station will they meet?
*August 30, 2014 by Alice*

**physics**

An electronic tracking device is placed on a police dog to monitor its whereabouts relative to the police station. At time t1 = 23 minutes, the dogs placement from the station is 1.2km, 33 degrees north of east. At time t2=57 minutes, the dog's displacement from the station is...
*July 8, 2008 by Joe*

**Caculas**

(Airplane & Radar) An airplane is flying (horizontally) at the height of 6 km on a flight path that will take it directly over a radar tracking station (on ground). If the distance D between the plane and the radar is decreasing at a rate of 300 km/hr, find the speed of the ...
*December 16, 2011 by matthew*

**physics**

Two separate seismograph stations receive indication of an earthquake in the form of a wave traveling to them in a straight line from the epicenter and shaking the ground at their locations. Station B is 60 due east of station A. The epicenter is located due north of station A...
*September 29, 2012 by sammy*

**trigonometry**

a ship travels 8km due north then 7km on a bearing of 070 degrees 1. draw a diagram to represent the information 2. calculate the distance and bearing of the ship from its starting point
*April 21, 2012 by lindsay*

**math**

Two radar stations at A and B, with B 6 km east of A, are tracking a ship which is generally to the north. At a certain instant, the ship is 5 km from A and this distance is increasing at the rate of 28 km/h. At the same instant, the ship is also 5 km from B, but this distance...
*July 15, 2013 by JEN*

**Physics 2**

1.) The microwave protion of the spectrum has wavelengths ranging from 1 mm to 1 m. find the corresponding frequency? 2.) An AM radio station has a wavelength of 300 m. find this station’s frequency? 3.) A) Canadian FM radio station (CLAW) broadcasts lobster information at 95....
*July 27, 2014 by seanmarch58*

**pre cal**

An airplane is flying at a speed of 350 mi/h at an altitude of one mile. The plane passes directly above a radar station at time t 0. (a) Express the distance s (in miles) between the plane and the radar station as a function of the horizontal distance d (in miles) that the ...
*May 1, 2014 by Danielle*

**fourth grade math**

the passengers of a cruise ship were shocked to learn that their ship was sinking. the ship is 218 ft tall and is sinking at the rate of 1/2 ft per minute. how long do the passengers have to abandon the ship?
*June 5, 2012 by Anita*

**operations management**

Trucks are required to pass through a weighting station so. ... a weighting station so that they can be checked for weight violations. Trucks arrive at the station at the rate of 40 an hour between 7:00 p.m. and ... How many trucks would you expect to see at the weighing ...
*January 23, 2012 by Anonymous*

**physics**

A train whistle emits a sound with a frequency of 1000 Hz when standing in the station. If the same whistle is blown when it is moving away from the station at 40 mph what will be the approximate frequency someone standing at the station will hear?
*April 25, 2011 by Anonymous*

**Physics 2**

A) Canadian FM radio station (CLAW) broadcasts lobster information at 95.9 MHz. find the wavelength of this station. (B) What would be the frequency of a station for which the carrier wave was 400 m long?
*July 27, 2014 by seanmarch58*

**Operations Management 10th edition**

The three station work cell illustrated in Figure S7.7, has a product that must go through one of the two machines at station 1 (they are parallel) before proceeding to station 2. Station 1-Machine A-Capacity: 20 units/hr Station 2-Capacity: 5 units/ Station 3-Capacity: 12 ...
*April 25, 2012 by Shelley *

**Algembra**

a train leaves a station and travels north at 85 km/hr. Four hours later, a second train leaves on a parrallel track and travels north at 125km/hr. How far from the station will they meet?
*July 14, 2011 by Ann*

**College Physics 2**

A) Canadian FM radio station (CLAW) broadcasts lobster information at 95.9 MHz. find the wavelength of this station. (B) What would be the frequency of a station for which the carrier wave was 400 m long?
*July 28, 2014 by seanmarch58*

**Math**

Hello, I need help with a 5th grade math question. The red train returns to central station every 45 min. The blue train returns to central station every 60 min. If both trains leave the station together, in how many min. will they both be back at the station at the same time?
*April 16, 2012 by Ardine*

**Trig**

A ship leaves its homeport and sails on a bearing of N28degrees10'E. Another ship leaves the same port at the same time and sails on a bearing of S61degrees50'E. If the first ship sails at 24.0 mph and second sails at 28mph, find the distance between the two ships after 4hrs.
*November 28, 2010 by SK*

**Calculus**

A rocket fired straight in the air is being tracked by a radar station 3 miles from the launching pad. If the rocket is travelling at 2 miles per second, how fast is the distance between the rocket and the tracking station changing at the moment when the rocket is 4 miles in ...
*April 9, 2014 by Nate*

**Math**

Forest rangers use degree measure to identify directions and locate critical spots such as fires. A forest ranger at tower A observes smoke at a bearing of 149 degrees (clockwise from the north) while another forest ranger at tower B observes the same smoke at a bearing of 250...
*March 13, 2010 by Gayle*

**Geometry**

Forest rangers use degree measure to identify directions and locate critical spots such as fires. A forest ranger at tower A observes smoke at a bearing of 149 degrees (clockwise from the north) while another forest ranger at tower B observes the same smoke at a bearing of 250...
*December 4, 2012 by Libby*

**math- precalculus**

I've attempted this problem a few times but I can't get the right answer. Can someone show me how I can do it? A ship leaves the port of Miami with a bearing of 100 degrees and a speed of 15 knots. After 1 hour, the ship turns 90 degrees toward the south. a) what is the new ...
*March 21, 2009 by jared*

**Calculus**

RP^2=RQ^2 + QP^2 -2(RQ)*(QP)cosQ (1) QP = 24 (km/min) t (2) Diffentiate both sides w.r.t. the time t: 2 RP* d Rp/dt = 2 t [24 (km/min)]^2 -2(RQ)* 24 (km/min) cosQ (3) Using (1) and (2) you find out what RP is at t = 4 minutes. You plug that into (3) and solve for d Rp/dt. A ...
*November 14, 2006 by Count Iblis*

**Pre-Calculus**

I need help with this problem: The bearing from the Pine Knob fire tower to the Colt Station fire tower is N 65 degrees E, and the two towers are 30 kilometers apart. A fire spotted by rangers in each tower has a bearing of N 80 degrees E from Pine Knob and S 70 degrees E from...
*April 2, 2008 by Sharon*

**physics**

1.)A radio station transmits waves of length 400m.if the speed of the waves is 3*10power8m/sec,find the frequency of the radio station. 2.)Audible range of frequencies is between 20Hz and 20KHz.Find the range of the wavelengths corresponding to these frequencies.given,velocity...
*May 18, 2012 by srikar*

**Pre Calculus 2**

A ship regularly travels between two ports that are 350 miles apart. When traveling directly from A to B, the ship sails on a bearing of . However, to avoid a storm, one day the ship leaves A on a bearing of and travels for 6 hours at 17mph. When the bad weather has passed, it...
*August 4, 2013 by Sara*

**TRIG - BEARING PROB.**

A ship is travelling on a bearing of 345 degrees. Then it makes a 90 degree right turn. What is the ship's new bearing?
*December 14, 2009 by amy*

**physics**

An express subway train passes through an underground station. It enters at t = 0 with an initial velocity of 23.0 m/s and decelerates at a rate of 0.150 m/s2 as it goes through. The station in 210 m long. (a) How long is the nose of the train in the station? (b) How fast is ...
*January 26, 2014 by Melissa*

**physics**

An express subway train passes through an underground station. It enters at t = 0 with an initial velocity of 23.5 m/s and decelerates at a rate of 0.150 m/s2 as it goes through. The station in 215 m long. (a) How long is the nose of the train in the station? (b) How fast is ...
*November 17, 2014 by mathew*

**college physics**

An express subway train passes through an underground station. It enters at t = 0 with an initial velocity of 23.0 m/s and decelerates at a rate of 0.150 m/s2 as it goes through. The station in 210 m long. (a) How long is the nose of the train in the station? (b) How fast is ...
*January 25, 2014 by Melissa*

**trig**

Q1: Prove cos^2t+4cost+4/cost+2=2sect+1/sect Q2: A ship leaves port with a bearing of S 40 W. After traveling 7 miles, the ship turns 90 degrees on a bearing of N 50 W for 11 miles. At that time, what is the bearing of the ship from port?
*March 5, 2012 by Katie*

**TRIG HONORS CH: 5.8**

a ship leaves port with a bearing of S 42deg W after traveling 7 miles, the ship turns 90deg and travels on a bearing of N 52deg W for 10 miles at that time, what is the bearing of the ship to the port?
*October 29, 2012 by Ashley*

**math**

Two lookout stations, which are 25 miles apart along the coast on a north-south line, spot an approaching yacht. One lookout station measures the direction to the yacht at N 33degrees E, and the other station measures the direction of the yacht at S 62degress E. How far is the...
*December 11, 2012 by kai*

**Physics**

A streetcar named Desire travels between two stations 0.59 km apart. Leaving the first station, it accelerates for 10.0 s at 1.0 m/s2 and then travels at a constant speed until it is near the second station, when it brakes at 2.0 m/s2 in order to stop at the station. How long ...
*January 14, 2012 by Sarah*

**trig**

a ship leaves port with a bearing of S 42deg W after traveling 7 miles, the ship turns 90deg and travels on a bearing of N 52deg W for 10 miles at that time, what is the bearing of the ship to the port?
*October 29, 2012 by Selena*

**TRIGONOMETRY**

a ship leaves port with a bearing of S 42deg W after traveling 7 miles, the ship turns 90deg and travels on a bearing of N 52deg W for 10 miles at that time, what is the bearing of the ship to the port?
*October 29, 2012 by NATO*

**Phyics**

A ship is first seen on a radar screen to be 13 km east of the radar site. Some time later, the ship is at 16 km northwest. What is the displacement of the ship from the first location it is seen at?
*September 9, 2010 by G*

**math**

two look out situations, which are 25 miles apart along the coast on a north-south shoreline, spot an approaching yacht. One lookout station measures the direction to the yacht at N33 degrees E, and the other station measures the direction of the yacht at S62 degrees E. How ...
*March 7, 2010 by jay*

**trigonometry**

2. two look out situations, which are 25 miles apart along the coast on a north-south shoreline, spot an approaching yacht. One lookout station measures the direction to the yacht at N33 degrees E, and the other station measures the direction of the yacht at S62 degrees E. ...
*March 8, 2010 by bill*

**physics**

A plane is found by radar to be flying 5.9 km above the ground. The angle of elevation from the radar to the plane is 78.6°. Ten seconds later, the plane is directly over the station. Find the speed of the plane, assuming that it is flying level.
*March 13, 2014 by eric*

**Grade 11 math**

A rocket carrying a weather satellite is launched. As it moves through space, the rocket is tracked by two tracking stations located 24 km. apart, beneath the rocket. The 2 tracking stations both lie west of the launching pad. at a specific moment, the rocket's angle of ...
*April 28, 2011 by Mhy*

**trig pls.. help me**

A rocket carrying a weather satellite is launched. As it moves through space, the rocket is tracked by two tracking stations located 24 km. apart, beneath the rocket. The 2 tracking stations both lie west of the launching pad. at a specific moment, the rocket's angle of ...
*May 2, 2011 by Mhy*

**Physics (Help Please)**

An astronaut of mass 84.0 kg is taking a space walk to work on the International Space Station. Because of a malfunction with the booster rockets on his spacesuit, he finds himself drifting away from the station with a constant speed of 0.570 m/s. With the booster rockets no ...
*April 8, 2014 by Christian*

**College Physics**

An astronaut of mass 84.0 kg is taking a space walk to work on the International Space Station. Because of a malfunction with the booster rockets on his spacesuit, he finds himself drifting away from the station with a constant speed of 0.570 m/s. With the booster rockets no ...
*April 10, 2014 by Christian*

**Algebra 2 (Distance Problem)**

A train leaves Union Station for Central Station, 216 km away, at 9 A.M. One hour later, a train leaves Central Station for Union Station. They meet at noon. If the second train had started at 9 A.M., and the first train at 10:30 A.M., they would still have met at noon. Find ...
*October 5, 2011 by Peter*

**precalculus**

Gloria is planning to ride her bicycle near the transmitter of a radio station. She will be riding from a point 10 miles due east of the transmitter on a straight road to a point 40 miles west and 10 miles north of the transmitter. She has a radio on her bicycle which can pick...
*June 10, 2013 by Anonymous*

**physics **

A cylindrically shaped space station is rotating about the axis of the cylinder to create artificial gravity. The radius of the cylinder is 159 m. The moment of inertia of the station without people is 4.23 x 109 kg·m2. Suppose 299 people, with an average mass of 67.0 kg each...
*November 2, 2014 by S*

**physics**

A Coast Guard cutter detects an unidentified ship at a distance of 19.0 km in the direction 15.0° east of north. The ship is traveling at 22.0 km/h on a course at 40.0° east of north. The Coast Guard wishes to send a speedboat to intercept and investigate the vessel. (a) If ...
*September 1, 2012 by Mia*

**Logarithmic Function**

A spacecraft is approaching a space station that is orbiting Earth. When the craft is 1000 km from the space station, reverse thrusters must be applied to begin braking. The time, t, in hours, required to reach a distance, d, in km, from the space station while the thrusters ...
*May 17, 2009 by Jus*

**Physics**

While traveling to school at 27 m/s your car runs out of gas 15 hm from the nearest gas station. If the station is 16m above your current elevation, how fast will the car be going when it reaches the gas station? Ignore friction.
*December 7, 2010 by Ben*

**Trig**

A ship leaves port with a bearing of S 40 W. After traveling 7 miles, the ship turns 90 degrees on a bearing of N 50 W for 11 miles. At that time, what is the bearing of the ship from port?
*March 5, 2012 by Kathryn*

**Trig**

A ship leaves port with a bearing of S 40 W. After traveling 7 miles, the ship turns 90 degrees on a bearing of N 50 W for 11 miles. At that time, what is the bearing of the ship from port?
*March 5, 2012 by Unkown*

**Trig**

A ship leaves port with a bearing of S 40 W. After traveling 7 miles, the ship turns 90 degrees on a bearing of N 50 W for 11 miles. At that time, what is the bearing of the ship from port?
*March 5, 2012 by Katie*

Pages: **1** | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>