Question

C Em e r circle the car answers in the problems below. credit onder to receive credit S were 1. A boy and air are balanced on amless seesaw. The boy has a mass of 75 ke and thegim is 50 ks. Ir the boy sis 2 m from the pivot point (axis of rotation) on one de of the saw, where must the girl it on the other side (pis) Please show work in ce below to support your answer. 25 m 1.7 m e none of the above 2. Two identical bodies of mass M move with equal speeds v. The direction of their velocities is illustrated in the figure below. The magnitude of the linear momentum of the system is (3pts) a. 2Mv b. My c. 4 Mv. d. (2)12 Mv e. 4(2)12 Mv 3. The impulse is equal to (3pts) a.. the area under a force vs. position graph b. the area under a velocity vs. time graph. c. the area under a acceleration vs. time graph. d. the area under a force vs. time graph. e none of these

Answer 1

2m 75x98 Sox9.8 pit At 75x9.X2 Sox9.8x 1 75x9.8x2 5ox9.8 ス-3m