Physics 2211G-Spring 2017 Homework-Chapter 7 Problem 7.14 Problem 7.14 The sled

Question

Physics 2211G-Spring 2017 Homework-Chapter 7 Problem 7.14 Problem 7.14 The sled dog in figure drags sleds A and B across the snow. The coefficient of friction between the sleds and the snow is 0.08. (Figure 1) Figure 1 of 1 100 kg 80 kg 2 signed in as Jochia Murfree Help I Close Resources previous l 7 of 19 l next Part A If the tension in rope 1 is 220 N,what is the tension in rope 2? Express your answer to two significant figures and include the appropriate units. T2 Value Units Submit My Answers Give Up Provide Feedback Continue

Explanation / Answer

We have

V^2 = V0^2 + 2*a*x

V0^2 = 0

a = V^2/2*x

a = (4)^2/(2*2.0)

a = 4 m/s

Then,

F = m*a

F = 20*4

F = 80 N

By second law , P-F = M*a

M = P-F/a

M = (110-80)/4

M= 7.5 kg

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