Find 1. Horizontal velocity
2. Vertical velocity
3. Actual velocity
4. Theoretical vertical velocity

When given the time to hit the ground (1.25s)
Distance travelled horizontally (8.00m)
The height in which it dropped (1.75m)

Write a question about how changing temperature affects the gas inside the sports ball

6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.

The diagram shows a boulder rolling down a hill into a valley and then up the opposite hill. at which position does the boulder have the greatest kinetic energy? a b c d