How much work is done on a vacuum cleaner pulled
3.Om by a force of 50.ON at
an angle of 30.0 degrees
above the horizontal?

There are weak or strong attractive forces between atoms of liquids with a high viscosity

Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy