If you fail, never give up because FAIL means 'First Attempt In Learning'.— A. P. J. Abdul Kalam

Work, Energy and Power — quick quiz

5 real NSEA questions on Work, Energy and Power. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

HARD

The luminosity of a star is 10^26 watts. How much mass does it convert to energy per second? (c = 3 × 10^8 m/s)