Question Completion Status: QUESTION 1 4 points Save Answer A meterstick is balanced on a fulcrum at its center. Then a 300 N weight is placed 10 cm to the left of center. How many cm to the right of center would a 115 N weight need to be placed in order to balance the system? QUESTION 2 4 points Save Answer A 4-meter plank weighing 8 kg is lying on a dock with 3.27 meters of its length on the dock, and the rest of its length extending off the dock. If a child weighing 59.6 kg walks out onto the part of the plank extending off the dock, what is the maximum distance in meters that the child can walk on the plank from the edge of the dock before he falls into the water? QUESTION 3 8 points Save Answer A baseball pitcher throws a 147 g baseball at a velocity of 29 m/s towards home plate. The batter hits the ball, and the velocity of the ball coming off the bat is 51 m/s in the opposite direction of the velocity of the pitch. The bat is in contact with the ball for 0.003 seconds. What is the magnitude in Newtons of the average force applied to the ball? QUESTION 4 4 points Save Answer A man pulls a 10-kg sled 64 meters along an angled hill with a force of 56 N, which elevates the man 29 meters above the bottom of the hill. The man then hops on his sled and slides from rest to the bottom of the hill back along his 64 meter path, during which a 209 N frictional force acts upon his sled. How much work in Joules does the man do pulling the sled up the hill