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A 800kg car pushes a 1900kg truck that has a dead battery. When the driver steps on the accelerator, the drive wheels of the car push against the ground with a force of 5000N . Rolling friction can be neglected.Part AWhat is the magnitude of the force of the car on the truck?Express your answer to two significant figures and include the appropriate units.Part BWhat is the magnitude of the force of the truck on the car?Express your answer to two significant figures and include the appropriate units.
What is the escape speed on a spherical asteroid whose radius is 500.0 km and whose gravitational acceleration at the surface is 3.11 m/s^2, With what speed will an object hit the asteroid
A person with mass mp = 72 kg stands on a spinning platform disk with a radius of R = 1.74 m and mass md = 195 kg. find the centripetal acceleration of the person
A child throws a stone from the top of a 15 m cliff with a speed of 20 m/s. If the stone weights 2 N, find its kinetic energy and speed when it lands on the ground
On an air track, a 400.5g glider moving to the right at 2.00m/s collides elastically with a 500.5g glider moving in the opposite direction at 3.00m/s. find the velocity of the glider after the collision
A body of mass 1.2 kg makes an elastic collision with another body at rest and continues to move in the original direction but with 1/7 of its original speed. What is the mass of the other body
At t = 0, a 750 g mass at rest on the end of a horizontal spring (k = 125 N/m) is struck by a hammer, which gives the mass an initial speed of 2.76 m/s. Determine the position as a function of time
A 55.0 kg circus performer oscillates up and down at the end of a long elastic rope at a rate of once every 8s. The elastic rope obeys Hooke's Law. By how much is rope extended beyond its unloaded length while the performer hangs at rest?
A light bulb is placed 22.3 cm in front of a concave mirror. Calculate the focal length of the concave mirror
Starting from rest, a hammer thrower performs 4 revolutions in 4 seconds before releasing the hammer. What is the centripetal acceleration needed to rotate the hammer
When a guitar string is sounded along with a 441-Hz tuning fork, a beat frequency of 4.00 Hz is heard. When the same string is sounded along with a 437-Hz tuning fork, beat frequency is 8.00 Hz. What is the frequency of the string.
Inside a sealed wooden box of mass M there hangs, by a thread of negligible mass, a lead pellet also of mass M. What is the acceleration of the center of mass of the system of box
A vertical cylindrical tank contains 1.80 mol of an ideal gas under a pressure of 1.00 atm at 20.0oC. how tall is the column of gas that is supporting the piston
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