mariammaloba mariammaloba

10-05-2016
Mathematics

contestada

If she lifts the bar 10 times in 20 seconds, how much power did she use?

Respuesta :

10-05-2016

200 joules.
Work = force * distance so you take 10 X 20 and get 200 joules.

Answer Link

Otras preguntas

help plz need answer asap

I need help please help me :(

A mixture of colours can be separated by __________

Explain how fossils help paleontologists learn what Earth was like long ago. Support your answer with evidence from the text.

A 9-pound bag of cement costs $4.95. What is the unit price?

Leon bought a dozen daisies for $3.95. How much did Leon pay for each daisy? *

A plane is a ____ figure

Anyone know anything about the great debate In American History?

Which biological level(s) of organization is compromised of only living things? multiple choiceO population O community O ecosystem O earth

Question in photo below