a type of elevator called a cage is used to raise and lower miners in a mine shaft. suppose the cage carries a group of miners down the shaft. if the unbalanced force on the cage is 60.0 N, and the mass of the loaded cage is 1.50 x 10^2 kg, what is the acceleration of the cage?

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.

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final