What is the Energy of a 50.0 kg bucket of oil at the top of a 3.00 meter high platform? O 1470J
O 1240J
O 2410J
O 2180J
O 1750J
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The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Describe uniform velocity and variable velocity in short

Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval δt, a crew member releases a ballast sandbag from the basket attached to the balloon. how many seconds does it take the sandbag to reach the ground? (express your answer in terms of δt)