2. A body with a mass of 490kg is pulled along a horizontal plane at a constant velocity.the pulling force is 1.2 kN is making an angle of 20degrees with the plane.
A.determine the coefficient of friction
3.a force of 318.123N accelerates a car at 3m/s^2 from rest for 10seconds
Calculate the following
A. Mass of the car
B.momentum of the car after 10 seconds
C.velocity of the car after 10seconds
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