A100-kg box is placed on a ramp. as one end of the ramp is raised, the box begins to move downward just as the angle of inclination reaches 25°. what is the coefficient of static friction between box and ramp?

Scout feels ill one day before school. her mother puts a thermometer in her mouth and the temperature begins to climb to 100°f. what is happening between the cooler thermometer and scout's body? a) scout's body is applying a force to the particles in the thermometer. b) kinetic energy is being transferred from her mouth to the thermometer. c) potential energy is being lost by the thermometer and gained by scout's body. d) the potential energy stored in foods is converted to mechanical energy to raise the mercury in the thermometer.

Several mountains together form a mountain . a few of these combined form a mountain system. several systems combined form a mountain , which can stretch thousands of miles in length.

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?