a man weighing 600 n carries a load of 150 n up the stairs 6m high in 15 seconds. his power will be ?

2 years ago

Share

Answers : (2)

                                        

p = mgh/t


therefore 300W

2 years ago
                                        

we know that power=workdone/time,


here workdone is "mgh".


thus power=750x6/15,


                 =300.

2 years ago

Post Your Answer

More Questions On General Physics

Ask Experts

Have any Question? Ask Experts
Post Question
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!!
Click Here for details
a vessel is 2 m deep. how deep will it appear if it is filled with water and viewed from top
 
 
Hii, SInce we are looking from rarer medium into the denser medium, The depth will appear to be : 2 / (refractive index of water)...
  img
Shobhit Varshney one month ago
 
Try to grt the concept from the following example...... Water Refraction Water refraction is a common phenomenon experienced by us often in real life.
  img
Saurabh Kumar one month ago
What is surface tension ?
 
 
Surface tensionis a contractive tendency of the surface of aliquidthat allows it to resist an external force. Surface tension is an important property that markedly influences the ecosystem....
  img
Apoorva Arora 5 months ago
distance between a frog & a insect on a horizontal plane is 10m.frog can jump with a maximum speed of root 10 m/s,g=10m/ s 2 .what is the minimum number of jumps required by the frog to...
 
 
No. of jumps = 10 Use the formula for range in parabolic motion. Take sin2(theta)=1 as theta=45 degree.
 
VISHESH DHARAIYA 4 months ago
what is a wave motion
 
 
A wave is a disturbance or oscillation that travels through space and matter, accompanied by a transfer of energy.like sound waves they transfer energy from one place to another by...
  img
Mukesh Sharma 10 months ago
 
wave motion is activity that carries energy from one place to another without actually moving any matter.
 
Indu 10 months ago
is there any simpler way to find the spring constant?
 
 
Dear student, Spring constant ( k ) is related to the force as follows: Hence, if we can find the displacements produced for particular amounts of forces, the ratio of force and displacement...
  img
Sumit Majumdar 3 months ago
Find the equivalent resistance between M and N.
 
 
Use KVL and some marthematical calculations...
  img
Saurabh Kumar 2 months ago
View all Questions »