1 a 20 kg cart rolls to the right at a speed of 80 ms and, Ask an Expert

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1. A 2.0 kg cart rolls to the right at a speed of 8.0 m/s and hits a stationary 5.0 kg cart. After they collide, the 2.0 kg cart is traveling to the left at a speed of 3.0 m/s. Calculate the final speed of the 5.0 kg cart.

2. Starting from rest a wheel accelerates at a rate of 9.2 rad/s^2 for 5.61 s. Calculate the number of revolutions it makes in this time.

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Reference No.:- M9900071

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