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A 0.43 kg air cart is attached to aspring and allowed to oscillate. The displacement of the air cartfrom equilibrium is x = (16.1cm) cos[(1.98s-1)t + π].
(a) Find the maximum kinetic energy of the cart.
J
(b) Find the maximum force exerted on it by the spring.
N
A sprinter running the 100 m dash has a constant acceleration of 2.8 m/s2 for the first 4.1 seconds of the race, when he reaches his top speed, and then continues to run at that speed for the rest of the race. How long does it the sprinter to run t..
a pendulum has a length of 0.3 meter and the acceleration of gravity is 9.8 ms squared. use the formula t 2p vlg to
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