Superman throws a chocolate-covered peanut into the air and catches it in his mouth 6 seconds later a) How fast did he throw the peanut? b) What if Superman is on Planet Krypton, where g 15 m/s2 ? %3D c) What if Superman is on the moon, whereg is approximately -2 m/s2 ?.

Superman throws a chocolate-covered peanut into the air and catches it in his mouth 6 seconds later a) How fast did he throw the peanut? b) What if Superman is on Planet Krypton, where g 15 m/s2 ? %3D c) What if Superman is on the moon, whereg is approximately -2 m/s2 ?.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter11: Energy And Its Conservation

Section: Chapter Questions

Problem 44A

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Concept explainers

Relativistic Energy and Momentum

According to classical physics, time flow is the same for every observer. But according to einstein's theory, time flow is different for different observers. The idea that time flow is not the same for all may sound strange because we may not experience this effect in everyday life. This effect is only observed when an object moves with some velocity comparable to the velocity of light. This velocity is termed relativistic velocity.

Question

Motion problem

Superman throws a chocolate-covered peanut into
the air and catches it in his mouth 6 seconds later.
a) How fast did he throw the peanut?
b) What if Superman is on Planet Krypton, where g
= 15 m/s2 ?
c) What if Superman is on the moon, whereg is
approximately -2 m/s2 ?

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