A pitching machine is programmed to pitch baseballs horizontally at a speed of 87 mph . The machine is mounted on a truck and ai
med backward. As the truck drives away from a man at a speed of 65 mph, the machine shoots a ball towards him. For each of the object pairings listed below, determine the correct relative speed.
a - The speed of the pitching machine relative to the truck
b - the speed of the pitched ball relative to the truck
c - the speed of the pitching machine relative to him
Whole system will accelerate under the action of applied force. The box will experience the force against the friction and when this force exceeds then the box will move. so
