A cyclist is travelling down a hill at a speed of 9.2ms-1. The hillside makes an angle of 6.3° with the horizontal. Calculate for the cyclist, the vertical speed and horizontal speed.

Arock collection comes from which part of earth?

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.

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages