Each of the house common rooms at hogwarts has an air hockey table. these tables shoot air up to eliminate friction on the hockey puck. if you tap horizontally on the puck what will happen to it? (see green arrow in picture) a) it will continue to accelerate b) it will slow and stop c) it will move at a constant speed until it hits the side of the table d) it will fly up in the air

Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600