Advertisements
Advertisements
Question
Give an example
Electrical energy changes to heat energy.
Advertisements
Solution
Electric iron
APPEARS IN
RELATED QUESTIONS
It takes 20 s for a person A of mass 50 kg to climb up the stairs, while another person B does the same in 15 s. Compare the work done.
How much work is done when a force of 2 N moves a body through a distance of 10 cm in the direction of force?
The work done on an object does not depend on the :
Write an expression for work done by a force depends?
A weight lifted a load of 200 kgf to a height of 2.5 m in 5 s. calculate: (i) the work done, and (ii) the power developed by him. Take g= 10 N kg-1.
A girl of mass 50 kg runs up a flight of 40 steps in 20 seconds. If each step in 20 cm high, calculate the power developed by the girl. (g= 10 ms-2).
Fill in the boxe to show the corresponding energy transformation.
