1. If a fully loaded shopping cart and a empty one travelling at the same speed have a head on collision, which cart will experience the greater force of impact? the grater impulse? the greater change in momentum? the greater acceleration?
2. Two football players have a head on collision and both stop short in their paths. if one player is twice as heavy as the other,how does his speed compare to the smallest player?
3. which undergoes the greatest change in momentum: 1, a baseball that is caught,2.a baseball that is thrown, or 3, a baseball that is caught and then thrown back if the baseball has the same speed just befor being caught and just after being thrown?