abigailc5603 abigailc5603
  • 19-03-2024
  • Physics
contestada

How much power is needed to lift a 5000-kg elevator up 30 m in 14 s? Give your answer in units of kW. You may ignore friction and other inefficiencies, and assume that |g| = 9.81 m/s².
a) 20 kW
b) 30 kW
c) 40 kW
d) 50 kW

Respuesta :

Otras preguntas

What's the definition of Ecology
Why can you only change 1 variable in an experiment??? #Science
compare the economic system of Japan, Germany, France, and south Korea to the u.s. free enterprise system
Why can you only change 1 variable in an experiment??? #Science
How many packages will 5 1/2 pounds of raisins fill if each package holds 9 ounces
Which of the following expressions is written in scientific notation?a)73.4*10^5b)0.09*10^7c)80*10^3d)4.22*10^(–3)what is exactly scientific notation?
explain how the rabbit depend on energy from the sun.
Which sentence does not contain any punctuation errors?   A. This is a familiar story; it needs no introduction.
What is Athena's Weakness
What form of energy provides power for a gas stove?A.nuclear energyB.electrical energyC.chemical energyD.sound energyCan you explain the answer for me ?