1394824 1394824

02-06-2020
Physics

contestada

A set of pulleys is used to lift a piano weighing 1,000 newtons. The piano is lifted 3 meters in 120 seconds. How much power was used?

Respuesta :

Kelemele Kelemele

02-06-2020

Answer:

25 watts

Explanation:

Power=work/time

work=force x distance

1000 × 3

=3000 Joules

power= 3000/120

=25 watts

Answer Link

Otras preguntas

What is the state at which a net force is zero called

Zoey made 6 3/4 cups of fruit salad for a picnic. At the picnic, they ate 1/3 of the fruit salad. How much fruit salad did they eat?

What are the possible values for x in the equation 4x^2 = 64(1) x=0 (2) x=4 (3) x=4,-4 (4) x=0,4,-4

There are 5 red balls,6 white balls and 7 green balls in a box.If one ball is taken without looking,what is the probability that it is white?

Which sentence uses a verb that agrees with its subject?A.In a dark corner of the attic were many unopened boxes.B.Across the surface of the water glides swans.

why did the citizens of Richmond, Virginia feel upset about the actions at Fort Sumter ?

what are some interesting facts about the great sandy desert?

write the equation in function form then graph the equation 3x-y=5

What Is the National Prohibition Act?

What is the state at which a net force is zero called