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

4+(-4)=0 what property is this?
If a dice is rolled one time, find the probability of getting a number less than 5
Help meeeeeeeeeeeeeeeee
Each car has 5 wheels. There are 74 wheels. How many cars are there? How many wheels left over?
Which situation is best modeled by the inequality g ≤ 13? A:You cannot play a game at age 13. B:You must be no older than 13 to play a game. C:You must be at le
Felicia is a girl who plays on a co-ed volleyball team. Besides Felicia, the team is made up of 7 boys and 4 other girls. The team decided to randomly select it
Round your answers to one decimal place, if necessary. Find the mean and median of these data: 2, 7, 12, 14, 19, 21.
What are the two extremes of memory recall ability?
Simplify radical 20. I know the answer but just quizzing. The first correct answer will be marked brainliest!
Which type of precipitation is round pellets of ice more than 5 millimeters in diameter?