Answer:
0.5 Watts.
Explanation:
We are asked to find amount of power used, when 35 J of work was performed in 70 seconds.
We will use power formula to solve our given problem.
, where,
P = Power in watts,
E = Energy used in Jules,
t = Time in seconds.
Upon substituting our given values in above formula, we will get:



Therefore, 0.5 Watts of power is used to complete the task.