When a trains velocity is 12rm ms eastward raindrops that, Ask an Expert

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Q1. When a train's velocity is 12{rm{ m/s}} eastward, raindrops that are falling vertically with respect to the earth make traces that are inclined 30.0 ^circ to vertical on windows of the train.

Q2. The height of a helicopter above the ground is given by h = 3.05t3, where h is in meters and t is in seconds. After 2.20s, helicopter releases a small mailbag. How long after its release does the mailbag reach the ground?

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