A 2.8-kg block slides over the smooth, icy hill shown in Fig. its base. What minimum speed must the block have at the base of the 70-m hill to pass over the pit at the far (right-hand) side of that hill? The top of the hill is horizontal and 70 m higher than 70 m 50 m 120 m' 40 m

A 2.8-kg block slides over the smooth, icy hill shown in Fig. its base. What minimum speed must the block have at the base of the 70-m hill to pass over the pit at the far (right-hand) side of that hill? The top of the hill is horizontal and 70 m higher than 70 m 50 m 120 m' 40 m

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section: Chapter Questions

Problem 8STP

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Concept explainers

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.

Question

A 2.8-kg block slides over the smooth, icy hill shown in Fig.
its base. What minimum speed must the block have at the base of the 70-m hill to pass over the pit at the far (right-hand)
The top of the hill is horizontal and 70 m higher than
side of that hill?
70 m
50 m
120 m-
40 m
39m/s
42m/s
74m/s
7.4m/s
15m/s

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