You have an inertia of (52 mathrm{~kg}) and are standing at rest on an iced-over pond in
Question:
You have an inertia of \(52 \mathrm{~kg}\) and are standing at rest on an iced-over pond in your skates. Suddenly, your \(60-\mathrm{kg}\) brother skates in from the right with a speed of \(5.0 \mathrm{~m} / \mathrm{s}\) and collides elastically with you.
(a) What is the siblings' relative speed after the collision?
(b) If your brother's final velocity is \(0.36 \mathrm{~m} / \mathrm{s}\) toward the left, what is your final velocity?
(c) Is your answer to part \(b\) consistent with your answer to part \(a\) ?
(d) What is the change in kinetic energy of the system of you and your brother?
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Step by Step Answer:
Lets solve each part of the problem a To find the siblings relative speed after the collision well first need to calculate the total momentum before a...View the full answer
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