https sessio masteringphysics 16 Practice Problem 7.4 Problem 7.4 Consider the t

Question

https sessio masteringphysics 16 Practice Problem 7.4 Problem 7.4 Consider the total work done on an object that has what forces acting on it. tract is hitched to a of pulls the Let's determine the ground loaded with firewood and produced by 20.0 frozen energy is on actually happened to the work done acting the sled. the total work WWe that find kinetic energy shown in the is 10.0 kJ. so the mass of the the led by all 10.0 kJ The 1500 kg is of the sled must increase by m/s s m/s. What sled is m N)/ (9.80 2.00 se the sled's initial speed vi is its final speed? 14 TOON The final kinetic where vr is the SOLVE Wotal Solving for vr. REFLECT This equations of me and The rk-energ wo this chapter an a problem can Part A Prac If the tract make the Express y

Explanation / Answer

Suppose the body is moving with constant velocity, the net force acting on the body is zero.

Applied force - frictional force =0

applied force = frictional force

applied force =4800N

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