Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions

A boy of mass 50kg runs up a staircase of 45 steps in 9 seconds.If the height of each step of the staircase is 15 cm , find the power of the boy.




This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Power = work done / time
= mgh/t
= 50*45*0.15*10/9
where 0.15 m = 15 cm
1 5 1
mark it as brainliest
help me by makring it as brainliest
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts