emmayuan0310 emmayuan0310
  • 18-01-2023
  • Physics
contestada

A motor uses 1300J of energy to raise a 30kg mass to a height 2.4 meters above where it started.

a. How much potential energy does the mass gain during the lift?

b. Calculate the efficiency of this motor.

Respuesta :

Otras preguntas

The population of Linton is 12 times as great as the population of Ellmore.  The combined population of both towns is 9,646 people.  What is the population of L
How did Elizabeth 1st defeat the Spanish Armada?
what are advantages and disadvantages of disease indicator?
Two strings of equal length are stretched out with equal tension. The second string is four times as massive as the first string. If a wave travels down the fir
If x ¤ y = (x + y)² - (x - y)² Then √5 ¤ √5 =
I Need HELP!how do you figure out 22/7=5/X
what eventually happens to a species when the environment change and the organisms do not adapt?
Why do metals bend? And What elements as a in stainless steel? And how (%) of each element Just answer one question if u want
Solve equations. log_{3} x =-2
-87 1/8 as a decimal number