What is the force of the push on the car

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Q. A 250 kg car starting from rest is pushed 30m. While the car reaches 30m, it's travelling at a speed of 12 m/s and it encounters 52N of friction. What is the acceleration of car and what is the force of the push on the car?

Q. The crest of the second hill is circular, with a radius of r = 35m. Avoid friction and air resistance. What must be the height h of the first hill so that skier just loses contact with the snow at the crest of the second hill?

Reference no: EM1386673

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