Marie1969
Marie1969 Marie1969
  • 11-03-2021
  • Physics
contestada

If you have 100 W expended over 20 s how much energy did it take?

A. 5 j
B. 80 j
C. 2000 j
D. 120 j?

Respuesta :

AL2006
AL2006 AL2006
  • 11-03-2021

Power = (work or energy) / (time)

100 W  =  (energy) / (20 sec)

Energy = 2,000 watt-sec

Energy = 2,000 J

Answer Link

Otras preguntas

The unit of measurement "mL" describes what property of a substance? A. mass B. length C. volume D. density
Moving waves can be described either as a function of time or as a function of a. amplitude. b. frequency. c. speed. d. position.
An atom of element X has one more shell of electrons than an atom of beryllium, but it has one less valence electron than beryllium. Which element is element X?
OK here is the question what is the answer to this please?2×2+2÷2=?
What is the value of 4 cubed? a. 24 b. 64 c. 43 d. 16
The city of Quebec was founded in 1608 by
There are 206 WHAT in the human body.
FRANCAIS 4e Phrase direct indirect Aidez moi svp.
how can the accountability ensure good governmence
what causes learners to drop out of tertiary