An change occurs when a material changes shape or size but the composition of the material does not change. pls like now

1400 kg car has a speed of 27 m/s. if it takes 7 s to stop the car, what is the impulse and the average force acting on the car?

An ideal gas is held in a container at constant volume. initially, its temperature is 5 degrees c and its pressure is 1.2 atm. what is its pressure when its temperature is 43 degrees c? answer in units of atm

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects