Work = (force) x (distance) =
(200 N) x (3.5 m) = <em>700 joules</em>
F = m*a, mass times acceleration.
F = 15*10 = 150 N
Answer:
option A is correct because air friction is greater than gravity
Explanation:
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Answer:
0.48 m
Explanation:
I'm assuming that this takes place in an ideal situation, where we neglect a host of factors such as friction, weight of the spring and others
If the mass is hanging from equilibrium at 0.42 m above the floor, from the question, and it is then pulled 0.06 m below that particular position. This pulling is a means of adding more energy into the spring, when it is released, the weight compresses the spring and equals its distance (i.e, 0.06 m) above the height.
0.42 m + 0.06 m = 0.48 m
At the highest point thus, the height is 0.48 m above the ground.
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