Question

Practice Question 18
18.1. A body does 20 J of work in 5 seconds. Calculate its power in watts.​

Answer 1

Answer Answer W=20 J Answer W=20 J t=5 s Answer W=20 J t=5 s P= Answer W=20 J t=5 s P= tAnswer W=20 J t=5 s P= tWAnswer W=20 J t=5 s P= tW Answer W=20 J t=5 s P= tW Answer W=20 J t=5 s P= tW P= Answer W=20 J t=5 s P= tW P= 5Answer W=20 J t=5 s P= tW P= 520 Answer W=20 J t=5 s P= tW P= 520 =4 w.

I hope it's help you.

Answer 2

Answer:

ANSWER

W=20 J

t=5 s

P= w/t

P= 5/20 =4 W .