Question

Explain step by step how to solve the problem.

Four arrows, all with the same shape and size, are shot directly upward. Ignore the effect of air resistance, but the arrows have different masses and are fired with different speeds. Rank them from highest to lowest in terms of the greatest height that they will reach. (Use only ">" or "=" symbols. Do not include any parentheses around the letters or symbols.)

1. mass = 0.100 kg, v_initial = 13.0 m/s
2. mass = 0.0500 kg, v_initial = 11.0 m/s
3. mass = 0.125 kg, v_initial = 15.0 m/s
4. mass = 0.0750 kg, v_initial = 17.0 m/s

Answer 1

max height is given. y

h = ut - 0.5 gt^2

means, the height is dependent only on the initial velocity, its independent of mass

max height = D

2md max = C

3rd max = A

least = B

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