garimakc425 garimakc425

23-08-2021
Physics

contestada

A crane can lift 5000 kg mass to the height 10m in 10 sec. What is its power?

Respuesta :

kiyondinewton02 kiyondinewton02

23-08-2021

Answer:

49.050 KW

Explanation:

work done = PE

= mgh

=5000×9.81×10

=490500J

power = workdone/Time taken

= 490500/10

= 49050 watts

= 49.050kW

Answer Link

pewdiefood pewdiefood

23-08-2021

power is rate of doing work
work done = force x distance

force is ma
5000 x 10
50000
or 5000x 9.81
49,050

rate means divide by time
49,050/50000 divide by 10

4905/5000W

Answer Link

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