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

Pregnancy is a life-changing event. Sexually transmitted diseases (STDs) – and there are now more than 20 – can rob you of your health and even your life. Con

I NEED HELP PLEASE! THANKS :)

how is DIO alive after he was stuck in Jonathons arms and how did he get into the secret compartment without erina knowing

8 All legal drugs carry __________.

y=(x+9)÷(x-3)Find the value of y when x=5

QuestionWhat is unquie about Carbon and its compounds?

Please help? It's worth 16 points!!!!

Use the substitution method to solve the system of equations. Choose the correct ordered pair.

Name three other real-world situations where a strategy, "plan of attack, or "code of conduct" is agreed upon before a given situation occurs.

give two disadvantage of hydroelectric power