A cyclist is moving along a straight line with uniform acceleration. After travelling from 20 seconds, the velocity of the cyclist is 3.5 m/s. Find the acceleration of the cyclist.

Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.

If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?

If y gets smaller as x gets bigger and y have an relationship?