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 ?
VGS PUBLICATION-BRILLIANT-WORK AND ENERGY-ESSENTIAL MATERIAL FOR EXAMINATION PURPOSE