Calculate the average maximum height for all three trials when the speed of the bottle is 2m/s, 3 m/s, 4 m/s, 5 m/s, and 6 m/s.

How much work would a child do while puling a 12-kg wagon a distance of 3m with a 22 n force directed 30 degrees with respect to the horizontal? (a) 82j (b) 52j (c) 109j (d) 95j

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.

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island