Register
A crane lifts a 35,00-N steel grinder a distance of 25m in 45s. How much power did the crane require to life the grinder? Write your answer in Kilowatts.
167k views
1 vote
A crane lifts a 35,00-N steel grinder a distance of 25m in 45s. How much power did the crane require to life the grinder? Write your answer in Kilowatts.

User Bruno Cloutier
by
6.1k points

1 Answer

2 votes
With the information given, one can presume that:

Work = F • d (so W = 875,000 J)

The equation for power is:

P = W/t (so P = 19444.4 Watts)

1 Watt = 1000 Kilowatts

So the answer would be 19,444,444 kW
User Meetnick
by
7.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.2m questions

9.7m answers

Other Questions

What is the meant by the frequency of a wave? What is the unit?
Is this true or false ethics deals with morals and values and can be measured and tested using the scientific method. Thank you for answering and your help
How many newtons of force would 200 grams apply? What would be the mass of an object that weights 7 N on earth? If an object weights 450 N. How much does it weight in pounds?
What forms of energy are produced by a violin
How does the doppler effect change wave speed?
Link Copied!