The coefficient of performance of a refrigerator is 5. If the temperature inside freezer is −20°C, the temperature of the surrounding too which is rejects heat is:

A bus moving at a speed of 24 m/s begins to slow at a rate of 3 m/s each second. How far does it go before stopping?

A bus moving at a speed of 24 m/s begins to slow at a rate of 3 m/s each second. How far does it go before stopping?