Homework Statement
A 2000kg car moving east at 10 m/s collides with a 3000kg car moving north. They stick together and move as a unit after the collision, at an angle of 40 degrees north of east and at a speed of 5.22 m/s. Find the speed of the 3000kg car [B]before[B] the collision...
Homework Statement
2 men lift a total mass of 653.2 kg 4in off the ground a total of 24 times. Estimate the total mechanical work done by the 2 men in lifting the boat 24 times, assuming they applied the same force to the boat during each lift. (Neglect any work they may have done allowing...