What effect does a catalyst have on a system in equilibrium? the system is unaffected. the forward reaction is favored. the reverse reaction is favored. the forward reaction slows down, and the reverse reaction speeds up.

Aball is rolled uphill a distance of 5 m before it slows, stops, and begins to roll back. the ball rolls downhill 9 m before coming to rest against a tree. what is the magnitude of the balls displacement? a. 4 meters b. 9 meters c. 14 meters d. 45 meters