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April 1, 2015

Search: A cargo plane is flying horizontally at an altitude of 11.3 km with a constant speed of 936 km/hr when a large crate slides out of the rear of the plane

Number of results: 63,657

Physics
A cargo plane is flying horizontally at an altitude of 11.2 km with a constant speed of 1260 km/hr when a large crate slides out of the rear of the plane. How long does it take the crate to hit the ground? The acceleration of gravity is 9.81 m/s 2 . Answer in units of s, please.
October 27, 2014 by Michelle

Physics
A cargo plane is flying horizontally at an altitude of 10000m with a velocity of 800km/h when a cargo pallet falls out the back ramp. (i) How long does it take to fall to the ground? (ii) How far horizontally is the pallet from where it fell off when it hits the ground? (iii) ...
April 14, 2014 by Olumide Adesiyan

Physics
A car sits in the parking lot. Above is a cargo plane, flying horizontally at 61 m/s. At the exact moment the plane is 182 m directly above the car, a crate accidentally falls from its cargo doors. Relative to the car, where will the crate land? Enter m as unit and use g = 10...
January 22, 2013 by Jessica-- Please help!

Physics
A car sits in the parking lot. Above is a cargo plane, flying horizontally at 61 m/s. At the exact moment the plane is 182 m directly above the car, a crate accidentally falls from its cargo doors. Relative to the car, where will the crate land? Enter m as unit and use g = 10...
January 22, 2013 by Robert

physics
A large rock is dropped from a plane flying horizontally at an altitude of 4.00 x 10 ^3 ( to the power of 3) and with a speed of 900km h. a) calculate the distance that the rock will move horizontally before hitting the ground b) find the velocity of the rock just before it ...
June 11, 2013 by sabine

math
At an airport, a flight controller was in a tower 40m above the ground. When she first observed a plane it was at an angle of elevation of 12 (degrees) from her line of sight and flying at a constant altitude (height) The plane had a constant speed of 360km/h Eight seconds ...
May 19, 2013 by alice

Physics
A plane flies horizontally at constant ground speed v=720km/h. The pilot is informed by an air traffic controller that he must immediately change his direction of flight while keeping the same altitude. The pilot performs a turning maneuver by rolling the plane to a banked ...
April 2, 2013 by Crow

physics
a 250 kg crate is placed on an adjustable incline plane. If the crate slides down the incline with an exceleration of 0.7 m/s squared when the incline angle is 25 degrees, then what sould the incline angle be in order for the crate to slide down the plane at a constant speed? ...
October 22, 2011 by uta

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

Physics
A cup of coffee is on a table in an airplane flying at a constant altitude and a constant velocity. The coefficient of static friction between the cup and the table is 0.420 . Suddenly, the plane accelerates forward, its altitude remaining constant. What is the maximum ...
March 29, 2015 by Kristyn

Physics
A cup of coffee is sitting in an airplane flying at constant speed and altitude. Mu between cup and table is .36. The plane accelerates, maintaining constant altitude. What is the maximum acceleration that the plan can have without the cup sliding backwards?
September 18, 2007 by Anonymous

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

math(rational functions application)
The average speed of a jet is 100km/h faster than a cargo plane. To travel 1400km, the cargo plane requires 25% more time than the jet. Find the average speed of the jet. This is the formula I figured out so far. V(average)=V(jet)-V(cargo 100km/h= d/t - d/t 100= [1400km/x] - [...
October 22, 2009 by jane

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

Physics
A 25kg crate is sitting at the bottom of an inclined plane. The inclined plane 12m long meets the horizontal at an angle of 15 degrees and has a coefficient of friction of 0.55. A force is applied to the crate so as to slide the crate up the incline at a constant speed. What ...
February 25, 2012 by Rob

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

physics
a 1300 newton crate slides 14 meters down a ramp that makes an angle of 30 degree with the horizontal. if the crate slides at a constant speed, how much thermal energy is created?
November 13, 2010 by gavin

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

Physics
A cup of coffee is sitting on a table in an airplane that is flying at a constant altitude and a constant velocity. The coefficient of static friction between the cup and the table is 0.37. Suddenly, the plane accelerates, its altitude remaining constant. What is the maximum ...
September 27, 2012 by Anonymous

physics
A cup of coffee is on a table in an airplane flying at a constant altitude and a constant velocity. The coefficient of static friction between the cup and the table is 0.18. Suddenly, the plane accelerates forward, its altitude remaining constant. What is the maximum ...
October 3, 2012 by Sam

physics
A cup of coffee is on a table in an airplane flying at a constant altitude and a constant velocity. The coefficient of static friction between the cup and the table is 0.100 . Suddenly, the plane accelerates forward, its altitude remaining constant. What is the maximum ...
December 13, 2012 by Amy

physics
A cup of coffee is on a table in an airplane flying at a constant altitude and a constant velocity. The coefficient of static friction between the cup and the table is 0.420 . Suddenly, the plane accelerates forward, its altitude remaining constant. What is the maximum ...
March 28, 2015 by Kristyn

physics
A plane flying horizontally above Earth’s surface at 150. meters per second drops a crate. The crate strikes the ground 30.0 seconds later. What is the magnitude of the horizontal component of the crate’s velocity just before it strikes the ground? I know the answer is 150 m/s...
November 12, 2009 by Physics Student need help

Physics
A helicopter is flying in a straight line over a level field at a constant speed of 21.7 m/s and at a constant altitude of 11.5 m. A package is ejected horizontally from the helicopter with an initial speed of 21.6 m/s relative to the helicopter, and a direction opposite to ...
November 4, 2007 by Lindsay

Physics
A bomber is flying horizontally over level terrain at a speed of 250 m/s relative to the ground and at an altitude of 3.20 km. The bombardier releases one bomb. How far does the bomb travel horizontally between its release and its impact on the ground? Ignore the effects of ...
April 14, 2011 by Chi

physics
An airplane is flying horizontally with a constant velocity of 160 m/s at an altitude of 5400 m when it drops a package. How far ahead of the target along the x direction should the plane be when it releases the package?
February 25, 2009 by kb

Dynamics, Math
a plane is flying horizontally at an altitude of 420m. A bomb was released, how far horizontally point bomb hit the ground?
March 19, 2013 by Jenny

Dynamics, Math
a plane is flying horizontally at an altitude of 420m. A bomb was released, how far horizontally point bomb hit the ground?
March 19, 2013 by Jenny

calculus
A plane flying along a straight path loses altitude at the rate of 1000 ft for each 5200 ft covered horizontally. What is the angle of descent of the plane? (Round your answer to one decimal place.)
January 29, 2012 by Sam

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

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

Physics
Two workers are sliding 310kg crate across the floor. One worker pushes forward on the crate with a force of 440N while the other pulls in the same direction with a force of 230N using a rope connected to the crate. Both forces are horizontal, and the crate slides with a ...
November 21, 2014 by omar

physics
a crate weighing 3500 newton down an inclined plane at constant speed. The plane is 7.5 meter long. Its height is 3.0 meter. What is the coefficient of sliding friction between the crate and the inclined plane?
December 5, 2011 by xander

Geometry- trig ratio
An observer (o) spots a plane flying at a 55 degrees angle to his horizontal line of sight. if the plane is flying at an altitude of 21,000 ft, what is the distance (x) from the plane (p) to the observer (o)?
April 15, 2014 by Anonymous

physics
an object falls from a plane flying horizontally at an altitude of 40,000 ft at 500 mi/h. How long will it take to hit the ground?
June 28, 2012 by wen

Trigonometry
An observer (0) spots a plane flying at a 55 degree angle to his horizontal line of sight.If the plane is flying at an altitude of 21,000 ft., what is the distance (x) from the plane (P) to the observer (0)
April 29, 2014 by Angelica

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

Physics
A bomber is flying at a velocity of 200.0 km/hr with an altitude of 1.5 km. How far (horizontally) from its intended target should the plane drop the bomb?
December 18, 2010 by George

physics
A package of medical supplies is released from a small airpllane flying a mercy mission over an isolated jungle settlement. The plane flies horizontally with a speed of 20 m/s and an altitude of 20 meters. How far from the release point will the package strike the ground?
October 30, 2010 by Casey

A plane flies horizontally at an altitude of 5 km
A plane flies horizontally at an altitude of 5 km and passes directly over a tracking telescope on the ground. When the angle of elevation is π/3, this angle is decreasing at a rate of π/4 rad/min. How fast is the plane traveling at that time? (Round your answer to ...
March 14, 2011 by yolana

trig
A plane climbs into the jet stream which is flowing at a rate of 80 miles per hour. It travels with the jet stream for 5 hours and then reduces its altitude, flying out of the jet stream for 4 more hours. The plane, while out of the jet stream, covered 550 miles less than it ...
November 4, 2010 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

advance geometry
A plane is flying east, ascending at a constant angle. Jack is standing on the ground, watching the plane come to (horizontally) directly at him. When he first sees the plane, at an angle of elevation of 15 degrees, its horizontal distance from him is 11,000. When he sees it ...
April 25, 2010 by maha

physics
A conveyer belt is driven by a large (diameter = 1.0 m) wheel. The wheel starts from rest and has an angular acceleration of 0.35 rad/s 2. (a) Through what angle does the wheel turn in 18 s? (b) What is the wheel's angular velocity at that time...
January 12, 2011 by teal

Physics
HELP! I'm doing a webassign, and am completley lost on these problems. If you could help with any, that would be great. A crate weighing 9.40 103 N is pulled up a 36° incline by a force parallel to the plane. If the coefficient of kinetic friction between the crate and the ...
September 22, 2010 by Tom

physics
A pigeon flying horizontally at a speed of 16.0 m/s drops a stolen Rolex watch. The timepiece falls to the ground in 2.90s. (a) What was the watsh's altitude when it was dropped? (b) how far horizontally did it travel before it smashed into the deck?
February 16, 2011 by girl

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

Dynamics
The man slides the 100-kg crate across force of 200 N. If the crate was initially at rest, how far will the crate move before its speed is 1 m/s? The coefficient of kinetic friction between the crate and the floor is 0.18. The man is pulling the crate at a 20 degree angle.
March 17, 2014 by Ivan

Physics
Pete slides a crate up a ramp at an angle of 20 degrees by exerting a 244 N force parallel to the ramp. The crate moves at a constant speed. The coefficient of friction is 0.19. How much work did Pete do when the crate was raised a vertical distance of 2.39 m? Answer in units ...
January 4, 2012 by Amanda and Leah

physics
Pete slides a crate up a ramp at an angle of 25◦ by exerting a 290 N force parallel to the ramp. The crate moves at a constant speed. The coefficient of friction is 0.28. How much work did Pete do when the crate was raised a vertical distance of 2.24 m? Answer in units of J
October 14, 2013 by andres

Physics
A packing crate is placed on a 32° inclined plane. If the coefficient of static friction between the crate and the plane is 0.67, will the crate slide down the plane? What is the minimum angle to which the plane must be raised so that the crate will slide down the plane?
November 30, 2010 by Jenni

physics
A plane is flying horizontally at a height of 500 m and a constant speed of 429 km/h when an object is projected vertically downward at an initial speed of 35.0 m/s. If air resistance is neglected, the average vertical component of velocity between the object's release and its...
September 3, 2012 by Anonymous

physics
You are flying to Chicago for a weekend away from the books. In your last physics class, you learned that the airflow over the wings of the plane creates a lift force, which acts perpendicular to the wings. When the plane is flying level, the upward lift force exactly balances...
March 19, 2011 by please help!!!!

physics
You are flying to Chicago for a weekend away from the books. In your last physics class, you learned that the airflow over the wings of the plane creates a lift force, which acts perpendicular to the wings. When the plane is flying level, the upward lift force exactly balances...
March 20, 2011 by HELP!

physics
A plane, diving with constant speed at an angle of 51.5° with the vertical, releases a projectile at an altitude of 654 m. The projectile hits the ground 6.40 s after release. (a) What is the speed of the plane? (b) How far does the projectile travel horizontally during its ...
September 2, 2012 by gg

physics
Pete slides a crate up a ramp at an angle of 27◦ by exerting a 242 N force parallel to the ramp. The crate moves at a constant speed. The coefficient of friction is 0.4. How much work did Pete do when the crate was raised a vertical distance of 2.22 m? Answer in ...
March 13, 2013 by Anonymous

physics
An airplane is flying horizontally with a speed of 1000 km/hr (278 m/s) when it drops a payload. The payload hits the ground 37 s later. (Neglect air drag and the curvature of the Earth. Take g = 10 m/s2.) (a) At what altitude H is the airplane flying?
March 4, 2011 by kelly

physics
A crate of oranges slides down an inclined plane without friction. If it is released from rest and reaches a speed of 4.476 m/s after sliding a distance of 2.33 m, what is the angle of inclination of the plane with respect to the horizontal?
May 24, 2012 by Vladimir

physics
crate weighing 6.90 x 10^3 N is pulled up a 46° incline by a force parallel to the plane. If the coefficient of kinetic friction between the crate and the surface of the plane is 0.750, what is the magnitude of the applied force required to move the crate at a constant velocity?
September 17, 2014 by nica

Algebra 2
1. Plane A is 40 mi south and 100 mi east of Plane B. Plane A is flying 2 miles west for every mile it flies north, while Plane B is flying 3 mi east for every mile it flies south. a. Where do their paths cross? b. Which plane must fly farther? c. What ratio of the speed of ...
September 28, 2009 by newt

Math
Plane A is 40 mi south and 100 mi east of Plane B. Plane A is flying 2 miles west for every mile it flies north, while Plane B is flying 3 mi east for every mile it flies south. a. Where do their paths cross? b. Which plane must fly farther? c. What ratio of the speed of Plane...
September 28, 2009 by newt

Please Anyone!!!
Plane A is 40 mi south and 100 mi east of Plane B. Plane A is flying 2 miles west for every mile it flies north, while Plane B is flying 3 mi east for every mile it flies south. a. Where do their paths cross? b. Which plane must fly farther? c. What ratio of the speed of Plane...
September 28, 2009 by newt

Physics
I really would like to give some work on this problem, but I have no idea how to do it! Please help! An airplane is dropping bales of hay to cattle stranded in a blizzard on the Great Plains. The pilot releases the bales at 120 m above the level ground when the plane is flying...
September 13, 2006 by Josh

Physical sciences
A 330kg crate slides down a 30 degree inclined plane. The total length of the plane is 3,6m. The crate is kept from accelerating by a man who is pushing back on it parallel to the incline. Calculate the force exerted by the man on the piano
April 9, 2014 by Nicolle

trig
jet stream which is flowing at a rate of 80 miles per hour. It travels with the jet stream for 5 hours and then reduces its altitude, flying out of the jet stream for 4 more hours. The plane, while out of the jet stream, covered 550 miles less than it did during the 5 hours ...
July 9, 2010 by Anonymous

physics
A large crate weighing 850 N is slid across the floor of a shop. To move the crate 15 m at a steady spead of 10 cm/s, a constant horizontal force of 80 N is applied to the crate. How much work was done in moving the crate?
November 23, 2010 by Rashad

Physics
A plane is flying horizontally at a speed of 290m/s. He drops a package (ignoring air resistance). A)If it take 15s for the package to hit the ground, how high above is the plane? B) How far (horizontally) before the island should Steven drop the package? C) Assuming the ...
September 22, 2013 by Jason

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

Physics Oasis!! Help!!
A fully loaded Cessna-182 airplane of mass 1250 kg has an engine failure when flying with an airspeed of 129 km/h at an altitude of 2670 m on a calm day. It then glides at a constant glide angle (which is the direction of flight below the horizontal) towards a safe landing at ...
March 27, 2013 by boom

Physics
a 36.1 N crate is resting on the floor. When you push horizontally on the crate with a force of 16.9 N, it accelerates at 0.15 m/s2. How large is the frictional force acting on the crate?
November 22, 2010 by Maredith

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

Math Ms. Sue please help
Flying to Kampala with a tailwind a plane average 158km/h. On the return trip the plane only averaged 112km/h while flying back into the same wind. Find the speed of the wind and the speed of the plane in still air.
February 28, 2013 by Anonymous

physics 2 !!**
A 8 kg crate is placed at rest on an incline plane (s=0.8, k=0.5), whose angle is 60o. It then slides 3 m down the incline. work done by gravity: ?J work done by friction force: ?J Using your results from part a, find the speed of the crate after sliding this distance.
October 6, 2008 by kelsey

Physics
A plane diving with constant speed at an angle of 52.5° with the vertical, releases a package at an altitude of 499 m. The package hits the ground 3.87 s after release. How far horizontally does the package travel?
January 27, 2015 by Barbara

Physics
An airplane is flying at an altitude of 2,000 m with a speed of 216 m/s. What is the pressure of air outside the plane?
April 14, 2014 by Sandra

Physics
An airplane is flying at an altitude of 2,000 m with a speed of 216 m/s. What is the pressure of air outside the plane?
April 16, 2014 by Sandra

physics
A jet plane is flying horizontally with a speed of 500 m/s over a hill that slopes upward with a 3% grade (i.e., the "rise" is 3% of the "run"). What is the component of the plane's velocity perpendicular to the ground? (Assume the +x-direction is up along the slope and the +y...
May 24, 2014 by Soh

physics
In a cargo plane, the center of gravity must be between the front and rear landing gears in order to maintain a torque equilibrium. The front landing gears help counteract the torque provided by the rear landing gears in this case. A jet transport has a weight of 1.00 ✕...
October 19, 2014 by Joseph

PHYSİCS I
A crate of oranges slides down an inclined plane without friction. If it is released from rest and reaches a speed of 4.883 m/s after sliding a distance of 2.01 m, what is the angle of inclination of the plane with respect to the horizontal? Please note: Give your answer in ...
March 1, 2012 by ADRİAANA

physics
A crate of oranges slides down an inclined plane without friction. If it is released from rest and reaches a speed of 4.883 m/s after sliding a distance of 2.01 m, what is the angle of inclination of the plane with respect to the horizontal? Please note: Give your answer in ...
March 2, 2012 by lissa

physicssssss
In a cargo plane, the center of gravity must be between the front and rear landing gears in order to maintain a torque equilibrium. The front landing gears help counteract the torque provided by the rear landing gears in this case. A jet transport has a weight of 1.00 106 N ...
March 1, 2011 by hy

physics
A,package,crate,is,placed,on,a,20,deg,inclined,plane.If,the,coefficient,of,static,friction,between,the,crate,and,the,plane,is,0.65,Will,the,crate,slide,down,the,plane?,justify,your,answer!
January 19, 2008 by melissa

Physics
juana slides a crate along the floor of the moving van the coefficient of kinetic friction between the crate and van floor is 0.120 the crate has a mass of 56.8 kg and juana pushes with horizontal force of 124 N. if 74.4 J of work are done on crate and the delta x is 1.3m. ...
May 11, 2011 by Mark

physics
juana slides a crate along the floor of the moving van the coefficient of kinetic friction between the crate and van floor is 0.120 the crate has a mass of 56.8 kg and juana pushes with horizontal force of 124 N. if 74.4 J of work are done on crate and the delta x is 1.3m. ...
May 11, 2011 by Mark

physics
A helicopter is flying in a straight line over a level field at a constant speed of 6.2 m/s and at a constant altitude of 11.4 m. A package is ejected horizontally from the helicopter with an initial velocity of 12.0 m/s relative to the helicopter, and in a direction opposite ...
September 18, 2009 by Anonymous

algebra-word problem
Flying to Kampala with a tailwind a plane averaged 158 km/h. On the return trip the plane only averaged 112 km/h while flying back into the same wind. Find the speed of the wind and the speed of the plane in still air. TIA
March 23, 2008 by jen

PHYSICS
A plane flying horizontally at 180 m/s drops a box just as it crosses a coastline. The box lands 3 kilometers from the coast. - At what height is the plane flying? - How long it takes to the box to reach the ground ?
March 22, 2014 by LEZA91

Trigonometry
A plane is observed approaching your home and you assume its speed to be 550 miles per hour. The angle of elevation of the plane is 16 degrees and one minute later is 57 degrees. Approximate the altitude of the plane. Draw yourself a figure with two triangles. Both have an ...
January 8, 2007 by Timisha

Physics
A helicopter is flying in a straight line over a level field at a constant speed of 6.2 m/s and at a constant altitude of 11.3 m. A package is ejected horizontally from the helicopter with an initial velocity of 14.0 m/s relative to the helicopter, and in a direction opposite ...
June 9, 2013 by Dave

physical science
A worker pushes horizontally on a large crate with a force of 312 N, and the crate is moved 6.5 m. How much work was done?
February 11, 2012 by Anonymous

math
a small plane flying into the wind takes 3 hrs 20 min to complete a flight of 960 km. Flying with the wind the same plane takes 2 h 30 min to make the trip.what is the speed of the plane? what is the speed of the wind? can u plz finish the whole question?? with the speed,time...
September 23, 2010 by helpyyy

physics
A plane is flying horizontally with speed 244 m/s at a height 5670 m above the ground, when a package is thrown downward from the plane with a vertical speed v(initial) = 73 m/s. What horizontal distance is traveled by this package? The acceleration of gravity is 9.8 m/s2 . ...
September 2, 2011 by squires

physics
A plane is flying horizontally with speed 244 m/s at a height 5670 m above the ground, when a package is thrown downward from the plane with a vertical speed v(initial) = 73 m/s. What horizontal distance is traveled by this package? The acceleration of gravity is 9.8 m/s2 . ...
September 3, 2011 by squires

calculus
26. A train is heading due west from St. Louis. At noon, a plane flying horizontally due north at a fixed altitude of 4 miles passes directly over the train. When the train has traveled another mile, it is going 80 mph, and the plane has traveled another 5 miles and is going ...
March 16, 2009 by jason

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