kennedysmith97 kennedysmith97

22-03-2015
Physics

Answered

A horizontal force of 300.0 N is used to push a 145-kg mass 30.0 m horizontally in 3.00 s.

ACalculate the work done on the mass.
BCalculate the power developed.

Verified Answer :

22-03-2015

Work = (force) x (distance)

Work = (300 N) x (30 m) = 9,000 joules

Power = (work) / (time)

Power = (9,000 joules) / (3 sec) = 3,000 watts

Oops. I didn't use the mass of the 145-kg object.
Probably because I didn't need it.

Answer Link

Related Questions

What is 002 written as a decimal

What happened after the Texas settlers and Tejanos wanted independence from Mexico

What happens when the smog lifts in Los Angeles California

what is the slope for 3x2y2

Do you think that changes in the French government were inevitable Explain

Which statement would the character grendel most likely agree with based on his outlook on life aevery human has the potential to be either a monster or a perso

The triangle shown at the right is isosceles That is it has two sides of an equal length The third side is 30 m shorter than twice the length of each congruent

DVDs were on sale for 12 each Vanessa bought 14 DVDs How much did Vanessa spend

Which defines anarchy A A king rules B A small group rules C No one rules D The people rule

I want to factorise this term by splitting the middle term

Web Analytics Made Easy - Statcounter