Advertisements
Advertisements
Question
Fill in the boxe to show the corresponding energy transformation.
Advertisements
Solution
Electrical energy ⇌ Sound energy
APPEARS IN
RELATED QUESTIONS
Define 1 joule of energy.
What do you mean by degradation of energy?
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.
Can work done be zero even if force acts on the body?
A block of mass 20 kg is pulled up a slope (fig.12) with a constant speed by applying a force of 500 N parallel to the slope. A and B are initial and final positions of the block.
(a) Calculate the work done by the force in moving the block from A and B.
(b) Calculate the potential energy gained by the block.
The work done by the heart is 1 Joule per beat. Calculate the power of the heart if it beats 72 times in one
Write the two main conditions are needed for work to be done?
A uniform chain of length 2 m is kept on a table such that a length of 60 cm hangs freely from the edge of the table. The total mass of the chain is 4 kg. What is the work done in pulling the entire chain on the table?
