a Secure I ? 1315H.Work2 Problem 8.1 e | https/session.masteringphysics.com/myct

Question

a Secure I ? 1315H.Work2 Problem 8.1 e | https/session.masteringphysics.com/myct/itemView2assignmentProblemID-94356184&offset-next; ing K) 7 of 18 ses Home ? Part A A 68 kg student stands on a very light, ngid board that rests on a bathroom scale at each end, as shown in What is the reading on the left scale? Express your answer using two significant figures (Figure 1) ic Stud es Area ment s Settings se Tools Figure 1 of 1 nieft Request Answer Part B What is the reading on the right scale? Express your answer using two significant figures. 1.5 m 2.0 m

Explanation / Answer

left scale is 1.5m away from student

right scale is 0.5 m away from student

part a )reading in left scale = 0.5 /2 * 68 = 17 kg

reading = 17 * 9.8 = 166.6 N = 167 N

part b )

nearer part read 3/4 of mass of student

= 1.5/2 * 68 = 51 kg

reading = 51 * 9.8 = 499.8 = 500 N

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