Autotutor

Home Features Join Questions Results Information Log in

This website will not work correctly if Javascript is disabled.

Email address:
Password:

Set or reset your password?

If you are not yet a member, Join Autotutor!

Autotutor: Question

Formula sheet

Question 1 of 7

(This question is worth 1 mark)

Use `g = 10 m s^-2`. A 4 kg brick is raised 5 m in 3 s. The average power used in W is closest to:

A: 50

B: 81

C: 67

D: 62

E: 75

Show hint