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When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart
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Arocket starts from rest and moves upward from the surface of the earth. for the first 10.0 s of its motion, the vertical acceleration of the rocket is given by ay = 12.80 m/s32t, where the +y-direction is upward. (a) what is the height of the rocket above the surface of the earth at t = 10.0 s? b) what is the speed of the rocket when it is 325 m above the surface of the earth?
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3. Sodium-24 has a half-life of 15 hours. If a sample of sodium-24 has an
original activity of 800...
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