A golfer hits a golf ball softly. The average collision time is 0.01 second. the ball has a momentumof 100 kilograms x meter per second. what is the average collison force?

A248-g piece of copper is dropped into 390 ml of water at 22.6 °c. the final temperature of the water was measured as 39.9 °c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering

Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational