A body initially moving with a speed of 20m/s covers a distance of 150m after 5 sec .What is the acceleration of the body?

Which notation is used to represent an alpha particle? a. b. c. d.

What are two different ways you could find the value of a? explain these methods.

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.