A car has stable speed u0 = 20 m / s and begins to decelerate at a constant rate 4 m / s2. Its displacement during the 2nd second of its movement is:

a) 26 m b) 14 m c) 6 m

Choose the correct answer and justify it.

Helpp

Drag each item into the proper state of matter category.

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.

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy