Answer:
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PE = mgh,
Mass, m = 5.24kg, g ≈ 9.8m/s², h = 1.63m
= 5.24 * 9.8 *1.63 = 83.70376 ≈ 84
PE ≈ 84 J
This question involves the concepts of the law of conservation of momentum.
The magnitude of the final momentum of the eight ball is "0.22 N.s".
According to the law of conservation of momentum:
where,
= initial momentum of the cue ball = 0.23 N.s
= initial momentum of the eight ball = 0 N.s (since ball is initially at rest)
= final momentum of the cue ball = 0.01 N.s
= final momentum of the eight ball = ?
Therefore,
Learn more about the law of conservation of momentum here:
brainly.com/question/1113396?referrer=searchResults
The net force on the box is:
50 + 30 - 65
= 15 Newtons
This can be used in conjunction with
F = ma
to calculate the acceleration of the box if its mass is known.
