# What is the kinetic energy of a 29 kg dog that is running at a speed of 7.9 m/s (about 18 mi/h)?

45,322 questions, page 133-
## Math

Homing pigeons avoid flying over large bodies of water, preferring to fly around them instead. Assume that a pigeon released from a boat 1 mile from the shore of a lake flies first to point P on the shore and then along the straight edge of the lake to

*asked by Merfit on March 26, 2014* -
## Science

1.The Bohr model of the hydrogen atom is best described as: 1. A large lump of chocolate chip cookie dough with electrons as the chocolate chips; those of higher energy are on the outside surface of the lump 2. Similar to Saturn with electrons of varying

*asked by Sarah on February 13, 2015* -
## Physics

A 90 kg halfback runs north and is tackled by a 120 kg opponent running south at 4 m/s. The collision is perfectly inelastic. Just after the tackle, both players move at a velocity of 2 m/s north. Calculate the velocity of the 90 kg player just before the

*asked by Kevin on February 6, 2010* -
## math

Consumers pay for electricity by the kilowatt-hour (the amount of electricity used by a 1,000-watt appliance in one hour). If electricity costs 10cents per kilowatt-hour, what is the cost of running a 100-watt lamp for 1. 1 hour? 2. 24 hours? 3. 1 year?

*asked by Mike on December 7, 2010* -
## math word problem

Andy and Kate are running around a 400-meter track. If they run in the same direction, Andy will pass Kate in 100 seconds. If they run in the opposite direction, they will meet in 25 seconds. What is Andy's velocity in meters per second? 4 6 10 16 Explain

*asked by M.A. on September 7, 2010* -
## 5th grade math

mrs. watterson wants to fence in an area for her dog. she has 72 feet of fencing and wants to use all of it to enclose a space with the greatest possible area. which dimensions will give her a space with the greatest possible area? (1 point) 16 feet by 20

*asked by kayli on March 30, 2015* -
## Math

Staring from the pit, Helen made three laps around a circular track at 40 seconds per lap. She than made a 30-second pit stop and two and a half laps before running off the track and getting stuck in the mud for the remainder of the race. Graph Helen's

*asked by Robert on September 18, 2012* -
## Physical Science

Please just help with these few! Also, these are my answers. Which statement accurately describes how electrons are arranged in Bohr's atomic model? electrons travel randomly in the large space outside the nucleus electrons travel around the nucleus in

*asked by Connexus. PLEASE HELP on October 10, 2018* -
## education

My other question is Which is your favorite Assessment to use? Anecdotal Records •Checklists •Event Sampling Portfolios •Rating Scales •Rubrics •Running Record •Teacher and Child Self-Assessments •Time Sampling Of these what are the

*asked by MAc on September 21, 2015* -
## science (URGENT!! CORRECT PLEASE))

(1) in order for an organism to develop specialized tissues the organism must be which of the following A) A Plant B) An Animal C) Unicellular D) Multicellular ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ My answer: D ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ (2) Which foods

*asked by Yuno Gasai on April 11, 2016* -
## Physics

The coefficient of kinetic friction between a rubber tire and a dry concrete road is 0.700. What is the distance in which a car skid to a stop on such a road if its brakes are locked when it is moving at 60 km/h?

*asked by Liza on February 26, 2018* -
## MIT

A 2kg block on a flat horizontal surface is pulled with a force of 15 N directed 10 degrees above the horizontal. It is found to accelerate at 2m/s^2. Find the coefficient of kinetic friction at the interface?

*asked by Joe Parterner on July 9, 2012* -
## Physics

A skier skiing downhill reaches the bottom of a hollow with a velocity of 20.0m/s, and then coasts up a hill with a 12 degree slope. If the coefficient of kinetic friction is 0.11, how far up the slope will she travel before she stops?

*asked by Jill on October 14, 2010* -
## physics

During the Olympic ice competition, Boris (m = 75 kg) glides at 1.8 m/s to a stationary Juliette (52 kg) and hangs on. How far will the pair slide after the collision if the coefficient of kinetic friction between the ice and their skates is .042?

*asked by grey on June 4, 2014* -
## 8th grade science

I'm not sure what's the correct answer: 9)Which of these characteristics can only be attributed to a wave of red light? A)The energy of the wave travels in the same direction as the wave travels. B)The wave travels by vibrating the particles of the medium

*asked by Alexis on March 7, 2016* -
## physics

You jog at 6.0 mi/h for 5.0 mi, then you jump into a car and drive for another 5.0 mi. With what average speed must you drive if your average speed for the entire 10.0 miles is to be 10.0 mi/h?

*asked by Anonymous on September 9, 2010* -
## chemistry

The root mean square speed of CH4 at 160 K is 5.0x102 m/s. At what temperature will the root mean square speed of C2H6 be the same?

*asked by Kamila on March 21, 2011* -
## physics

A proton with speed v perpendicular to a magnetic field B is experiencing a force F.If the speed of the proton is doubled,the new force is (a)F/2(b)F(c)2F(d)4F

*asked by Roy on September 22, 2013* -
## physics

The refractive indices of materials A and B have a ratio of nA/nB = 1.38. The speed of light in material A is 1.25 108 m/s. What is the speed of light in material B?

*asked by Anonymous on January 9, 2012* -
## physics

You jog at 6.0 mi/h for 5.0 mi, then you jump into a car and drive for another 5.0 mi. With what average speed must you drive if your average speed for the entire 10.0 miles is to be 10.0 mi/h?

*asked by Anonymous on September 9, 2010* -
## physics

The refractive indices of materials A and B have a ratio of nA/nB = 1.68. The speed of light in material A is 1.26 x 108 m/s. What is the speed of light in material B

*asked by james on October 22, 2015* -
## physics

A car is speeding up and has an instantaneous speed of 14.0 m/s when a stopwatch reads 9.0 s. It has a constant acceleration of 2.3 m/s2 (b) What is the speed when the stopwatch reads 12.2 s?

*asked by abbie on September 6, 2011* -
## physics

You jog at 6.0 mi/h for 5.0 mi, then you jump into a car and drive for another 5.0 mi. With what average speed must you drive if your average speed for the entire 10.0 miles is to be 10.0 mi/h?

*asked by Anonymous on September 9, 2010* -
## Mathematics

by driving a car at a speed of 50km/hr . I reach the airport in 30 minutes.at what speed should I drive to reach in 25 minutes?

*asked by Tanveer Ahmed on December 22, 2016* -
## physics

Calculate the range of the projectile using the initial speed and angle. Use g = 9.8m/s your calculation. Initial speed is 18m/s Angle is 75 Help please !!

*asked by jacob on April 13, 2015* -
## Physics

a 10 kg gun recoils with a speed of 0.1 meter per second as it fires a 0.001kg bullet. what is the speed of the bullet as it leaves the gun

*asked by Diana on January 13, 2011* -
## physics

Spaceship 1 and Spaceship 2 have equal masses of 300 kg. Spaceship 1 has a speed of 0 m/s, and Spaceship 2 has a speed of 4 m/s. What is the magnitude of their combined momentum?

*asked by Anonymous on March 8, 2017* -
## Math

A man walks a certain distance at a certain speed. If he walks 1/2 an hour faster than his usual speed, he will take one hour less to reach his destination. But if he walks 1 km an hour slower than his usual speed, he will take 3hours more to reach his

*asked by Anne on July 5, 2007* -
## math

You ran 1.5 miles befor you decide you were running in the wrong direction.you truned around and ran back were you started .then you ran 2.75 miles in the other direction how many miles did you ran in all?

*asked by cindy on March 7, 2011* -
## math

Rachel likes running she ran over 30 miles five days this week. she ran 8 miles on Monday. How many miles did she run on average during the other four days of the week?

*asked by danny on March 16, 2009* -
## Physics

How do I do these? A passenger at an airport steps onto a moving sidewalk that is 100.0 m long and is moving at a speed of 1.5 m/s. The passenger then starts walking at a speed of 1.0 m/s in the same direction as the sidewalk is moving. What is the

*asked by Ellie on October 29, 2006* -
## English Comp

I have to write a process analysis essay that shows other students how I manage my time when taking online courses, maintaining a job, and focusing on family. This essay is in first person. I have written my introduction paragraph and need someone to

*asked by LunarBerry on May 3, 2019* -
## Algebra

During the first part of a trip, a canoeist travels 28 miles at a certain speed. The canoeist travels 9 miles on the second part of the trip at a speed 5 mph slower. The total time for the trip is 3 hrs. What was the speed on each part of the trip?

*asked by Mai on April 15, 2016* -
## Algebra - Please HELP

During the first part of a trip a canoeist travels 49 miles at a certain speed. The canoeist travels 25 miles on the second part of the trip at a speed of 5mph slower. The total time for the trip is 5hrs. What was the speed on each part of the trip?

*asked by Kelly on November 9, 2011* -
## MAT117

During the first part of a trip, a canoeist travels 68 miles at a certain speed. The canoeist travels 16 miles on the second part of the trip at a speed 5 mph slower. The total time for the trip is 3 hrs. What was the speed on each part of the trip?

*asked by Leina'ala on June 28, 2011* -
## algebra

During the first part of a trip, a canoeist travels 69 miles at a certain speed. The canoeist travels 2 miles on the second part of the trip at a speed 5 mph slower. The total time for the trip is 3 hrs. What was the speed on each part of the trip?

*asked by Nancy on November 16, 2011* -
## ALGEBRA

DURING THE FIRST PART OF A TRIP, A CANOEIST TRAVELS 35 MILES AT A CERTAIN SPEED. THE CANOEIST TRAVELS 17 MILES ON THE SECOND PART OF THE TRIP AT A SPEED OF 5 MPH SLOWER. THE TOTAL TIME FOR THE TRIP IS 3 HRS. WHAT WAS THE SPEED ON EACH PART OF THE TRIP?

*asked by NONO on October 2, 2009* -
## Algebra

During the first part of a trip a canoeist travels 49 miles at a certain speed. The canoeist travels 25 miles on the second part of the trip at a speed of 5mph slower. The total time for the trip is 5hrs. What was the speed on each part of the trip?

*asked by Kelly on November 9, 2011* -
## physics PLEASE HELP (very very confused)

2 blocks are connected by a rope of negligible mass are being dragged by a horizontal force. Suppose F= 68.0N, m1= 12.0kg, m2= 18.0kg and the coefficient of kinetic friction between each block and the surface is 0.100. a.) draw free body diagram for each

*asked by ~christina~ on October 17, 2007* -
## Physics

An unstable nucleus with a mass of 18.0 ✕ 10-27 kg initially at rest disintegrates into three particles. One of the particles, of mass 4.1 ✕ 10-27 kg, moves along the positive y-axis with a speed of 8.0 ✕ 106 m/s. Another particle, of mass 7.7 ✕

*asked by Carol on February 28, 2015* -
## Physics

An unstable nucleus with a mass of 18.0 ✕ 10-27 kg initially at rest disintegrates into three particles. One of the particles, of mass 4.1 ✕ 10-27 kg, moves along the positive y-axis with a speed of 8.0 ✕ 106 m/s. Another particle, of mass 7.7 ✕

*asked by Betty on March 1, 2015* -
## Material Science

Pure copper wire of diameter = 2.0 mm has an electrical resistance, R, of 0.005 ohm/m (upside down U/m). p = 8900 kg/ m cubed, Cp= 440 J/(kg K). Passage of electrical current produces thermal energy generation = I triangle V= I squared R (J/sec). Note that

*asked by Joy on August 24, 2013* -
## Science [Earth]

Can you please: 1. briefly explain the concept of radioactive decay and describe how it can be used to find the absolute age of rocks. 2. contrast relative age with absolute age and describe at least three methods of determining either. 3. compare

*asked by xxx on May 8, 2009* -
## Physics

The "work function", or the minimum energy needed to eject an electron from the metal, can be expressed in several different ways. As stated on the applet page, sodium has a work function of 2.75 eV. In class, we discussed how to determine what that work

*asked by TITA on November 13, 2009* -
## calculus

the cross section of a 5-ft long trough is an isosceles trapezoid with a 2 foot lower base, a 3-foot upper base, and an altitude of 2 feet. water is running into the trough at a rate of 1 cubic foot per minute. how fast is the water level rising when the

*asked by rachel on October 16, 2011* -
## AP Physics

Jack is 12m from the bus and is running towards the bus at a constant 4.0m/s. If the bus accelerates away from the bus stop at .8m/s^2, can he catch the bus? If so where? Vi= initial velocity vf=final velocity a= acceleration d=distance t=time I found out

*asked by Soph on September 23, 2012* -
## Physics? clueless on what to do

Jack is 12m from the bus and is running towards the bus at a constant 4.0m/s. If the bus accelerates away from the bus stop at .8m/s^2, can he catch the bus? If so where? Vi= initial velocity vf=final velocity a= acceleration d=distance t=time I found out

*asked by Soph on September 23, 2012* -
## LAng Arts

Here is a proposal that is sure to anger some people: Everyone— yes, everyone—should have a pet. I think we should require that everyone get a pet or else present a convincing reason why they can’t have one. There are almost too many arguments in

*asked by Annyomuos on April 10, 2013* -
## math help

Enrique charges $5 for every 1/5 hour he spends walking dogs. In the morning he walks Buttons for 2/5 hour, Bruno for 1/5 hour, and Pepper for 3/5 hour, Monday through Friday. On Saturdays he takes Mimi, Diva, and Coco to the dog park for 4/5 of an hour.

*asked by kartik on March 28, 2014* -
## english

Here is another paragraph with my summary: Though such people are jumpy, they like to keep their energy and don't fancy moving around much. They would rather sit quietly be themselves and keep out of difficulties. Trouble upsets them, and they run away

*asked by jennifer on February 7, 2016* -
## Biology

yes we do Do we acquire the energy located in our food when we eat it? The eating of the food is just the first step in extracting the energy. Since this is not my area of expertise, I searched Google under the key words "digestion" to get these possible

*asked by ema on June 20, 2007* -
## Physics

I understand that I have to use newtons laws of motion but I don't really get how to aplly them to this problem. Please help. An aircraft with a mass of 11000kg moving at constant speed and altitude is powered by propellers and experiences drag from air.

*asked by Summer on June 18, 2016* -
## math

A van came around a corner a hit me as I gently pulled off in a small car to help my court case we measure I was pushed over 40 meters How can I give an idea as to how fast he must have been travelling? Unfortunetly it is on the Isle of Man on a no speed

*asked by Janine on August 14, 2012* -
## physics

1.A train passes an electric post in 8sec and a bridge of length 1km in 108sec .Find the speed of the engine . 2.A runner travels at the rate o f25km/hr for 4min ;then at 50km/hr for 8minn and finally at 20km/hr for 2min .Find a) the total distance covered

*asked by srikar on May 19, 2012* -
## Physics

A race car starts from rest in the pit area and accelerates at a uniform rate to a speed of 35 m/s in 11s, moving on a circular track of radius 500 m. Determine the tangential and centripetal components of the net force excreted on the car(by the ground)

*asked by Martin on May 19, 2013* -
## physics

Starting at the top of a steep, icy track, a rider jumps onto a sled (known as a skeleton) and proceeds - belly down and head first - to slide down the track. The track has fifteen turns and drops 104 m in elevation from top to bottom. (a) In the absense

*asked by shaknocka on February 28, 2011* -
## Physics

A box of mass 4 kg is resting on a table 1.5 m above the floor. There is also a ledge located 5 m above the floor. Find the gravitational potential energy of the box relative to the floor, and the gravitational potential energy of the box relative to the

*asked by Stu on November 20, 2012* -
## phy

A marble slides without friction in a vertical plane around the inside of a smooth, 21 cm-diameter horizontal pipe. The marble's speed at the bottom is 4.5 m/s this is fast enough so that the marble makes a complete loop, never losing contact with the

*asked by Naso on March 23, 2010* -
## algebra

You and your friend part at an intersection. You drive off north at a constant speed, and your friend drives east at a speed that is 10 mph higher. After 4 hours the distance between you and your friend is 368.78 miles. You have been driving at mph. (Round

*asked by Michael on September 7, 2015* -
## College Physics

A 3400 kg open railroad car coasts along with a constant speed of 7.50 m/s on a level track. Snow begins to fall vertically and fills the car at a rate of 5.10 kg/min.Ignoring friction with the tracks, what is the speed of the car after 85.0 min ?

*asked by Sandy on March 14, 2010* -
## Math

You and your friend part at an intersection. You drive off north at a constant speed, and your friend drives east at a speed that is 10 mph higher. After 4 hours the distance between you and your friend is 368.78 miles. You have been driving at mph. (Round

*asked by Emma on September 7, 2015* -
## Physics

Suppose Fuzzy, a quantum mechanical duck, lives in a world in which h = 2π J.s. Fuzzy has a mass of 2.0 kg and is initially known to be within a region 1.0 m wide. a) What is the minimum uncertainty in his speed? b) Assuming this uncertainty in speed to

*asked by Abby on April 7, 2011* -
## physics

what is the impact speed when a car moving at 200 km/h bumps into the rear of another ar traveling in the same direction at 84km/h? answer in km/h Wouldn't the be the relative speed of each (200-84) as compared to the other? Thats what I initially tried

*asked by cham on September 18, 2006* -
## Science

A truck is moving north at a speed of 70 km/h. The exhause pipe above the truck cab seeds out a tail of smoke that makes an angle of 20 degree east of south behind the truck. If the wind is flowing directly towards the east. What is the speed at that

*asked by Sunday on March 5, 2019* -
## physics

Suppose Fuzzy, a quantum mechanical duck, lives in a world in which h = 2π J.s. Fuzzy has a mass of 2.0 kg and is initially known to be within a region 1.0 m wide. a) What is the minimum uncertainty in his speed? b) Assuming this uncertainty in speed to

*asked by Abby on April 8, 2011* -
## physics

(a) Find the pressure difference on an airplane wing where air flows over the upper surface with a speed of 126 m/s, and along the bottom surface with a speed of 101 m/s. kPa (b) If the area of the wing is 30 m2, what is the net upward force exerted on the

*asked by aok on December 13, 2010* -
## Physics

A boat must cross a 260-m-wide river and arrive at a point 110 upstream from where it starts. To do so, the pilot must head the boat at a 45 degree upstream angle. THe current has speed 2.3 m/s. a) What is the speed of the boat in still water? b) How much

*asked by Chris on February 5, 2013* -
## physics

A metal bob is tied to one of an inextensible string of negligible mass and is rotated in a vertical circle of radius 8m.If the speed of the sphere at highest point of a circle is 80 m/s . Calculate its speed at the lowest point of the circle (Take

*asked by snehal on January 19, 2017* -
## science

A bat moving at 5.6 m/s is chasing a flying insect. The bat emits a 60 kHz chirp and receives back an echo at 60.63 kHz. At what speed is the bat gaining on its prey? Take the speed of sound in air to be 338 m/s. Answer in units of m/s

*asked by Anonymous on April 23, 2014* -
## PHYSICS

A .01kg bullet traveling at 800m/s hits a disk with a radius of R=.1m at R/2 and leaves with a speed of 400m/s. what is the angular speed of the disk right after? (omega) I used conservation of momentum and the rotational inertia for a disk and found omega

*asked by Taylor on November 30, 2010* -
## physics please help!

A bat moving at 6.5 m/s is chasing a ﬂying insect. The bat emits a 37 kHz chirp and receives back an echo at 37.65 kHz. At what speed is the bat gaining on its prey? Take the speed of sound in air to be 336 m/s. Answer in units of m/s

*asked by maura on December 8, 2012* -
## physics

A race car is making a U-turn at constant speed. The coefficient of friction between the tires and the track is μs = 1.0. If the radius of the curve is 40 m, what is the maximum speed at which the car can turn without sliding? Assume that the car is

*asked by HELP!!!! on March 19, 2011* -
## Physics

Suppose Fuzzy, a quantum mechanical duck, lives in a world in which h = 2 J.s. Fuzzy has a mass of 2.0 kg and is initially known to be within a region 1.0 m wide. a) What is the minimum uncertainty in his speed? b) Assuming this uncertainty in speed to

*asked by Abby on April 7, 2011* -
## physics

A 2500kg gun fires a 10.0kg projectile with a muzzle speed of 550m/s. A) determine the initial recoil speed of the gun B) If the recoil is against a constant resisting force of 4200N, find the time taken to bring the gun to rest.

*asked by b on November 10, 2011* -
## physics

(a) Find the pressure difference on an airplane wing where air flows over the upper surface with a speed of 126 m/s, and along the bottom surface with a speed of 101 m/s.(kPa) (b) If the area of the wing is 30 m2, what is the net upward force exerted on

*asked by aok on December 10, 2010* -
## Physics

A 3600 kg open railroad car coasts along with a constant speed of 11.0 m/s on a level track. Snow begins to fall vertically and fills the car at a rate of 3.70 kg/min. Ignoring friction with the tracks, what is the speed of the car after 80.0 min?

*asked by Linda on November 10, 2010* -
## physics

A walker's speed, v, is proportional to the ratio of his leg length, L, and the period of the repeating motion of his legs, T, that is, v ∝ L/T. If the period is measured to be proportional to Lp, where p = 3/4, what power of L must the speed be

*asked by lee on October 21, 2018* -
## physics

A mechanic pushes a 3090 kg car from rest to a speed of v, doing 5497 J of work in the process. During this time, the car moves 22.1 m. Find the speed v. Neglect friction between car and road. Answer in units of m/s. 1/2mv^2 doesnt work

*asked by Mitchell on February 12, 2017* -
## Physics

At an amusement park, a swimmer uses a water slide to enter the main pool. The swimmer slides without friction, and descends through a vertical height of 2.89 m. Find the swimmer's speed at the bottom of the slide if she starts with an initial speed of

*asked by Greg on March 9, 2010* -
## Physics

A cylinder with a diameter of 16 rolls with an angular speed of 0.055 on a level surface. If the cylinder experiences a uniform tangential acceleration of 0.020 without slipping until its angular speed is 1.0 , through how many complete revolutions does

*asked by Anonymous on June 18, 2013* -
## English

Can you please check if the following sentences are correct? Thank you. 1) The song "Don't worry be happy" says that we shouldn't worry about what happens to us. 2) In particular, if we have got some troubles, are out of money or can' pay the rent. 3)The

*asked by Franco on October 27, 2010* -
## physics

A resistor with 780 is connected to the plates of a charged capacitor with capacitance 4.32 . Just before the connection is made, the charge on the capacitor is 7.80 1)What is the energy initially stored in the capacitor? 2)What is the electrical power

*asked by samya on April 22, 2013* -
## Potential & Kinetic Energy

Determine the Initial potential energy of the skater. The mass of the skater is 50 kg The acceleration of gravity is 9.8 m/s2. Use the grid to determine the height of the top of the track PE = mgh; where m is mass, g is acceleration of gravity and h is

*asked by billy bob joe on March 9, 2018* -
## physics

A body at rest is given an initial uniform acceleration of 8m/s2 for 30s after which the acceleration is reduced to 5m/s2 for the next twenty seconds. The body maintains the speed attained for 60s, after which it is brought to rest in 20s. 1. Draw the

*asked by jane on August 28, 2011* -
## physics

A 85 kg rock climber first climbs 50 m up to the top of a quarry, then descends 75 m from the top to the bottom of the quarry. If the initial height is the reference level, find the potential energy of the system (the climber plus Earth) when the climber

*asked by Merlin on May 11, 2011* -
## physics

A mass m = 14.0 kg is pulled along a horizontal floor with NO friction for a distance d =8.7 m. Then the mass is pulled up an incline that makes an angle θ = 27.0° with the horizontal and has a coefficient of kinetic friction μk = 0.41. The entire time

*asked by need of help on October 1, 2012* -
## U.S. Gov. & Economics

Which form of city government has an elected mayor? A. the commission form ****B. the mayor-council form C. the council-manager form D. the incorporation form Which is an important function of county government? A. taxing imports B. overseeing tribal

*asked by Penny on January 21, 2016* -
## Physics (Kinematics)

In the same instant that a Porsche races past him at 130 km/h, a speed cop gets off his motorcycle, accelerates uniformly at 8 m/s^2, to catch the speedster. After 5 seconds the trafic officer reaches his top speed, which he then maintains until he reaches

*asked by Jonathan Nokhoya on March 10, 2016* -
## Physics

16. A Nile cruise ship takes 21. 0 h to go upstream from Luxor to Aswan, a distance of 208 km, and 19.8 h to make the return trip downstream. Assuming the ship’s speed relative to the water is the same in both cases, calculate the average speed of the

*asked by Emily on September 15, 2014* -
## business

technology manager sharry jones is reviewing a new EMR software program for the hospital where she works, and judges it to be more user-friendly than othere she has tested. in other words, sharry likes this one's" a. processor b. speed and power c.

*asked by shay on February 15, 2010* -
## Physic

A CD rotates from rest up to an angular speed of 32.40 radians per second in a time of 0.861 seconds. Determine the angle (in degrees) through which the disc turns while coming up to speed assuming that the tangential acceleration is uniform. I hve tried

*asked by Janki Patel on November 4, 2012* -
## Physics

A car moving at some speed hits the brakes and skids to a stop after 11 m on a level road. If the coefficient of friction for the road conditions of wet asphalt is 0.53, what was the car's original speed before braking? I have used multiple modes to find

*asked by Kirstie on October 22, 2014* -
## Physics

Miss E. deWater, the former platform diver of the Ringling Brothers' Circus, dives from a 80.0-meter high platform into a shallow bucket of water (see diagram at right). Determine her speed and her height after each second of fall. When t = 0 s: speed = 0

*asked by Ryan on November 6, 2015* -
## business

technology manger sharry jones is reviewing a mew EMr software program for the hospital where she works, and judges it to be more user-friendly than others she has tested. in other words, sharry likes this one's: a. processor b. speed and power c.

*asked by shay on February 15, 2010* -
## Physics

Miss E. deWater, the former platform diver of the Ringling Brothers' Circus, dives from a 80.0-meter high platform into a shallow bucket of water (see diagram at right). Determine her speed and her height after each second of fall. When t = 0 s: speed = 0

*asked by Ryan on November 6, 2015* -
## not for school

Hi I'm writing a story and I had a question. I am saying that one person has to jump across this... well it is kind of a pit of doom... no ending... into eternal darkness... but anyways I need to know how far the average human can jump if they have a 3ft

*asked by Emma on April 18, 2012* -
## English

Use the sentence parts below to create a sentence with a linking verb. Remember, a linking verb is a verb that connects a subject with a word that describes or identifies it. Read the model sentence: Sam appears worried that the dog will bite her. seems

*asked by cas on February 28, 2019* -
## Physics

A boy is cycling at a constant speed along a straight road to his school. The postions of the boy after fixed time intervals are observed. a. What type of position-time graph can be expected for the motion of the bicycle? b. How can the average velocity of

*asked by Jon on April 15, 2008* -
## Physics

A 3.0 kg block is being pulled with a horizontal force of 29.7 N. If the block is accelerating at 3.2 m/s/s, what is the coefficient of kinetic friction between the block and the table?

*asked by keith on November 2, 2010* -
## Physics

A 10.0 g bullet is fired into a 1.0 kg block initially at rest on a rough surface and connected to a spring with k = 200N/m. Immediately following the collision the block has a speed of 2.0 m/s. The coefficient of friction between the ground and the block

*asked by Hailey on November 30, 2010*

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