Zanele has a mass of 40 kg and is sitting inside the cart. zanele's friends pull the cart with a force of 500N at an angle of 20° to the horizontal, using a light rope. The cart experiences a frictional force of 300N. Calculate the net force acting on zanele ​

During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.