A force of 10N is applied by a boy while lifting a 20,000g mass. How much does it accelerate by?

What is the mass of the same rock on the earth

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.

Which type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical