A solid, uniform, spherical boulder starts from rest and rollsdown a 50.0-m-high hill, as shown in (Figure 1). The top halfof the hill is rough enough to cause the boulder to roll withoutslipping, but the lower half is covered with ice and there is noPart Afriction.What is the translational speed of the boulder when it reaches the bottom of the hill? Neglect rolling friction and assume the system's totalmechanical energy is conserved.Express your answer with the appropriate units.?ValueUnitsFigure< 1 of 1Rough50.0 mSmooth

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A solid, uniform, spherical boulder starts from rest and rolls down a 50.0-m-high hill, as shown in (Figure 1). The top half of the hill is rough enough to cause the boulder to roll without slipping, but the lower half is covered with ice and there is no friction. Part A What is the translational speed of the boulder when it reaches the bottom of the hill? Neglect rolling friction and assume the system's total mechanical energy is conserved. Express your answer with the appropriate units. ? Value Units Figure < 1 of 1 > Rough 50.0 m Smooth

A solid, uniform, spherical boulder starts from rest and rolls down a 50.0-m-high hill, as shown in (Figure 1). The top half of the hill is rough enough to cause the boulder to roll without slipping, but the lower half is covered with ice and there is no friction. Part A What is the translational speed of the boulder when it reaches the bottom of the hill? Neglect rolling friction and assume the system's total mechanical energy is conserved. Express your answer with the appropriate units. ? Value Units Figure < 1 of 1 > Rough 50.0 m Smooth

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter10: Rotational Motion

Section: Chapter Questions

Problem 15CQ

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Concept explainers

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

Question

A solid, uniform, spherical boulder starts from rest and rolls
down a 50.0-m-high hill, as shown in (Figure 1). The top half
of the hill is rough enough to cause the boulder to roll without
slipping, but the lower half is covered with ice and there is no
Part A
friction.
What is the translational speed of the boulder when it reaches the bottom of the hill? Neglect rolling friction and assume the system's total
mechanical energy is conserved.
Express your answer with the appropriate units.
?
Value
Units
Figure
< 1 of 1
Rough
50.0 m
Smooth

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