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

Help please!! What force pulls the "dust" together into a cloud

Worth 25 points! Simplify these equations with steps please. √-48 √-63 √-72 √-24 √-84 √-99

WILL GIVE BRAINLIEST!!! Find the length of DF

After _____, following meiosis 1, each cell has half the original number of chromosomes.

please I really need the answer

what was the first nollywood movie?

What is the value of the expression when a = 5 and b = 2? 2a+b−3 6 9 11 24

Why did the Great Schism contribute to the end of medieval Europe? It called for extensive reforms of the Church that people would not accept. It created a powe

If a wave has an energy of 2300 j, what is the frequency of that wave

the table shows the relationship between the number of calories Tai burns while biking and the number of minutes he bikes. how many calories will tai burn in 1