Question

a. A toy car is accelerated from rest to 0.620 m / s in 20.0 ms....

a. A toy car is accelerated from rest to 0.620 m / s in 20.0 ms. The mass of the cart is 560 g. Determine the average power applied to the cart.

b. An elevator with 8.00 x 102 kg of mass hangs from a cable. The elevator accelerates downward at a rate of 1.80 m / s2. Determine the cable tension.

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