NAME BLOCK 0.88 kg = = 1.1m/s = 1.2 m 3.0 m 2.6 1 The .88 kg cart is given a forward push to accelerate it from rest to a velocity of 1.1 m/s as shown. Ignore friction. 1. How much work is required to get the cart to its starting point 3 meters above the ground? Derive a formula. Solve. 2. How much work was done by the push that starts its ride? Derive a formula. Solve. 3. What is the velocity of the cart at point A? Derive a formula. Solve. A 5.0 kg object is initially at rest at xo = 0. A non-constant force is applied to the object. The applied force as a function of position is shown on the graph below. F(N) 40 20 x (m) 5 10 125 15 20 a. How much work is done on the object during the first 12.5 m? b. What is the change in kinetic energy at the end of 12.5 m? c. What is the speed of the object at the end of 12.5 m? d. What is the total work done by the force for the entire trip? e. What is the change in kinetic energy for the entire trip? f. What is the speed of the object at the end of 20 m