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 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

You have three molecules of sucrose (3C12H22O11). How many carbon atoms do you have?
Find Ty’s car repair expenses. His car needs a new serpentine belt and front brake rotors. The parts will cost $188.26 at the dealer. The repairs will require 2
Geologists classify metamorphic rocks according to the _____ of the grains making up the rocks. grains
What was the temperature of the water 20 minutes after heating began earth science?
Help would be appreciated!
Fill in the blanks to write the number 9.175 in expanded form: 9.175 = 9 + 0.1 + blank + blank
games won 15 games played 25 find Pct to nearest thousandth
the san felipe del morro in puerto rico was originally a ______ A) prison b) castle c) fort d)palace TIA !!!!!
A line contains the points
What does it mean if two different ratios describe the same situation