Asnowmobile is used to pull one sled across the ice. the mass of the snowmobile and the rider is 315 kg. the mass of the sled is 150 kg. the coefficient of kinetic friction for the sled on ice is 0.15 and the coefficient of kinetic friction on the snowmobile is 0.25. the acceleration of the snowmobile and the sled is 1.9/s^2.

a. what is the net force acting on the system?
b. what is the tension in the rope between the sled and the snowmobile?
c. what is the applied force on the snowmobile?

How would doubling the made of an object change the objects potential energy

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.

Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.