Assume that upward is the positive direction

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Q. A high-jumper clears the bar and has a downward velocity of -6.00 m/s just before landing on an air mattress. The mass of the high jumper is 54.3 kg. What is the magnitude and direction of the impulse that the air mattress exerts on her? Assume that upward is the positive direction.

Q. An asteroid is discovered heading straight toward Earth at 14km/s . An international team manages to attach a giant rocket engine to the asteroid. The rocket fires for 10minutes , after which the asteroid is moving at 28degrees to its original path at a speed of 18km/s . Find its average acceleration.

Reference no: EM1349328

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