Please show the solution and formula on how to solve the following questions:

1. Covert 250 km per sec to miles per hour. [1.0 mi = 1.609 Km]

2. The normal body temperature is 37.5 C. What will be this value in terms of the other two units of temperature?

3. Calculate the work done if a 100-grm object possesses an acceleration of 25 m/s^2 and travels through a distance of 150 km. Express the answers in

a.) ergs

b.) joules

c.) calories