jenniferlackey717 jenniferlackey717

02-04-2020
Physics

contestada

What is the power when a crane lifts a piece of pipe from the ground to a certain height, doing 15000 J of work in 25s?
A) 375000 W

B) 600 W

C) 100 W

D) 350 W

Respuesta :

olatunbosunadeoke olatunbosunadeoke

02-04-2020

Answer: Option B) 600 W

Explanation:

Since power is the rate of work done per unit time

i.e Power = work/time

Given that:

power of a crane = ?

work done by crane = 15000 J

Time = 25 seconds

Power = 15000J / 25s

Power = 600 watts

Answer Link

Otras preguntas

The author’s attitude or _____ is reflected in her choice of words.

How did trade play a role in the development of early African states

I wanna know if the answers are right

why does the enzyme trypsin get deactivated when introduced in the gastric juice of the stomach? the optimum ph for trypsin is about 8.0, which is the ph of the

the difference of 8 and the product of 6 and n?

Nerves branch in intervals from which of the following structures in a chordate embryo? (1 point) tail pharyngeal pouches notochord hollow nerve cord

how do I write the following in standard form 948÷ 10 to the third power?

charakterystyka juranda ze spychowa

What is 5.96 as a fraction

list one extensive and intensive property of marker ink