sweetymoona123 sweetymoona123

21-06-2021
Physics

contestada

A motor lifts a weight of 5N up to the height of 2m in 4 seconds. What will be the power of motor?

Respuesta :

Khulimulisagar Khulimulisagar

21-06-2021

2.5 watt

Explanation:

we know

power = work done /time

work done gainst gravity is = mgh

as mg = weight = force = 5 N

and height = 2 m

so work done = mgh = 5*2 = 10N

therefore ,

Power = 10/4 = 2.5 watt

Answer Link

Otras preguntas

Mr. Tan is 55years old and Tony is 7 yearas old. In how many years' time will mr tan be 4 times as old as Tony? Plzz help it's urgent I don't really know algebr

Chef Romero takes a dozen large eggs from a refrigerator and uses an even number of eggs in a breakfast dish. The function p(e) = 6e gives the number of grams

Qu est ce qu un conte implicitr

The weights of 40 students were recorded. If the 75th percentile of their weights was 140 pounds, what is the total number of students who weighed more than 140

The passage above from Article 1, Section 7 of the U.S. Constitution reflects the principle of

Chef Romero takes a dozen large eggs from a refrigerator and uses an even number of eggs in a breakfast dish. The function p(e) = 6e gives the number of grams

Ron wrote the pattern shown below. What is the rule for following Ron's pattern? 11, 36, 86, 186

Each kidney contains nephrons that filter the blood and remove waste.

An older woman is gardening in the direct sun for three hours without any rest. She suddenly feels weak and dizzy before she faints. She is taken to an emergenc

explain how you can use rounding or compatible numbers to see if your answer is reasonable.