Neglect friction between car and road
A mechanic pushes a(n) 2900 kg car from rest to a speed of v, doing 4367 J of work in the process. During this time, the car moves 26.8m. Neglect friction between car and road. Find the speed v.
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A space vehicle is orbiting Earth in a circular orbit with a radius of 10,300,000 m. What is the minimum increase in speed that is needed for the vehicle to escape Earth's gravitational field? The mass of Earth is 5.97 x 1024 kg and G = 6.67 X 10
A shopper in a supermarket pushes a cart with a force of 35 N directed at an angle of 25 downward from the horizontal. Find the work done by the shopper on the cart as the shopper moves along a 50.9 m length of aisle.
Block A, with a mass of 4 kg, is moving with a speed of 2.0m/s while block B, with a mass of 8 kg, is moving in the opposite direction with a speed of 3m/s. Calculate the center of mass of the two block-system.
The maximum tension that a 0.5m string can tolerate is 14N. A 2.5kg ball is attatced to the string being whirled in a vertical circle. What is the maximum speed the ball can have at the top of the circle? (the answer is 1.6m/s. I wanna know the s
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