A 4 newton lamp
is lifted 2 meters.
How much work
was done?

Explanation:

The work done by an object can be found by using the formula

From the question we have

workdone = 4 × 2

We have the final answer as

Hope this helps you

a) electrical > light, sound, and thermal< < < <

) the mechanical energy of the firefighter moving.< < < < a) electrical > light, sound, and thermal< < < <

c) both a and b.