YS2001 Fall Chapter 06, Problem 40 GO The drawing shows two boxes resting on fri

Question

YS2001 Fall Chapter 06, Problem 40 GO The drawing shows two boxes resting on frictionless ramps. One box is that is less steep. The boxes are released from rest at A and allowed to slide downthe ramps. The two boxes have masses of 8 and 45 'Aand Bare 60 r relatively light and sits on a steep ramp. The other box is heavler and rests on a ramp m, respectively, above the ground, determine the speed of (a) the lighter box and (b) the heavier bow when each reaches B. (e) What is the ratio of s on Concepts | the kinetic energy of the heavier box to that of the lighter box at Bi7 06, Problem 43 (a) vB Number (b) Vs- Number apter apter 06, Problem 60 KE (e) KElighter -Number iew Score

Explanation / Answer

a)10.4 m/s

b)10.4 m/s

c)m1/m2=5.625

v1=v2 because 1/2mv^2=mgh ,m cancels out,so v does not depend on m.v=root under 2gh ,h=6-0.5=5.5

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