A car starts from rest and after 10 seconds its velocity is 20 m/s. Find the acceleration and the distance travelled by it.​

2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.

If the textbook weighs 19.6 newtons on venus,what is the strength of gravity on venus?

A4.0-cm tall light bulb is placed a distance of 32.0 cm from a concave mirror having a focal length of 16.0 cm. determine the image distance