1 Help k 6 Begin Date: 3V21/2018 12:01:00 AM-Due Date: 4/2/2018 900.00 AM End Da

Question

1 Help k 6 Begin Date: 3V21/2018 12:01:00 AM-Due Date: 4/2/2018 900.00 AM End Date: 5/12/2018 11:59:00 PM (10%) Problem' 3: A block of mass m-71 kg slides along a horizontal surface. The coefficient of friction between the block and the surface is 0.39. The block has an initial speed of vo 14 m/'s in the positive x-direction as shown. y Click here for detalled view Ctheexpertta.com roblem Status 11 50% Part (a) what is the magnitude of the frictional force in N? 50% Part (b) How farwill the block travel'in meters, before coming to rest? Completed S 2 Completed 3 Partial Grade Summary Delutins 2% 98% Subminio detailed view atan acotan) O Degrees Radians 8 MacBook Ai

Explanation / Answer

Part a) Force, f = 271.64 N

Part b)

Final velocity, v = 0

Initial velocity, u = 14 m/s

Acceleration, a = -271.64/ 71 = -3.826 m/s2

So, distance, d = 142/ (2 x 3.826) = 25.61 m

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