Physics, 16.10.2019 01:20, saif27

A2.29-kg cart on a long, level, low-friction track is heading for a small electric fan at 0.21 m/s . the fan, which was initially off, is turned on. as the fan speeds up, the magnitude of the force it exerts on the cart is given by at2, where a = 0.0200 n/s2.

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A2.29-kg cart on a long, level, low-friction track is heading for a small electric fan at 0.21 m/s ....