A bike travels at 3.0 m/s, and then accelerates to a speed of 8.5 m/s in a time of 2.5 seconds. The average acceleration of
the bike is
m/s2

In a system, when potential energy decreases, then entropy also decreases. true false

6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.

If the spring constant k of a pogo stick is 3500 n m and the weight of the person on the pogo stick is 700 n, how much is the spring in the botom of the pogo stick compressed?