Sagot :
12300000 because of the hockey player who is moving across the hockey rink at a velocity of 20 m in the tank of the hockey player who is moving across the hockey rink at a velocity of 20 m in the tank
12300000 because of the hockey player who is moving across the hockey rink at a velocity of 20 m in the tank of the hockey player who is moving across the hockey rink at a velocity of 20 m in the tank