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

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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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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