The width of the cube was 18.45 mm. The density of the cube was 8.0 x 10° kg/m3 Calculate the mass of the cube.
[5 marks]
Mass =
kg​

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

Which best describes the difference between internal and thermal energy?

Hat is the most commonly cited cause of occupational injuries in the healthcare sector? a. repositioning of patients b. manual pipetting c. slips and trips d. workplace violence