Q.6 The position of a particle moving along the x axis is given by x(t) = (21 m) + (22 m/s)t - (6.0 m/s2 )t2, where t is in s. What is the average velocity during the time interval t = 1.0 s to t = 3.0 s?

The two required components for a generator

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.

The ability to make things happen is also called a. heat b. force c. matter d. energy