Home
Class 9
PHYSICS
A person performs 420 J of work in 5 min...

A person performs 420 J of work in 5 minutes. Calculate the power delivered by him.

Text Solution

Verified by Experts

Work done by the person, W = 420 J
Time taken to complete the work, t = 5 min = 5 `times` 60 s = 300 s
Power delivered, `P=W/t=420/300=1.4 W`
Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    VGS PUBLICATION-BRILLIANT|Exercise IMPROVE YOUR LEARNING - CONCEPTUAL UNDERSTANDING|6 Videos
  • WORK AND ENERGY

    VGS PUBLICATION-BRILLIANT|Exercise TRY THESE|1 Videos
  • SUMMATIVE ASSESSMENT

    VGS PUBLICATION-BRILLIANT|Exercise SUMMATIVE ASSESSMENT|2 Videos

Similar Questions

Explore conceptually related problems

Chaitanya performs 300 J of work in 5 minutes. The power delivered by her is

A man carrying a bag of total mass 25 kg climbs up to a height of 10 m in 50 seconds. Calculating the power delivered by him on the bag.

A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?

In a process, a system loses 125 J of heat when 400 J of work was done on the system. Calculate the change in internal energy.

The average degrees of freedom per molecule for a gas is 6. The gas performs 25J of work when it expands at constant pressure. The heat absorbed by the gas is

The work done by a force F_(1) is larger than the work done by another force F_(2) . Is it necessary that power delivered by F_(1) is also than that of F_(2) ? Why ?