A0.50-kilogram puck sliding on a horizontal
shuffleboard court is slowed to rest by a
frictional force of 1.2 newtons. what is the
coefficient of kinetic friction between the puck
and the surface of the shuffleboard court?
(1) 0.24 (3) 0.60
(2) 0.42 (4) 4.1

In which of the following cases is work being done on an object? question 2 options: pulling a trailer up a hill carrying a box down a corridor suspending a heavy weight with a strong chain pushing against a locked door

The image shows the positions of a car on a roller coaster track. arrange the cars in order based on their gravitational potential energy. begin with the lowest potential energy and end with the highest.

When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.