Energy

 Convert $100\mathrm{calories} \left(\mathrm{cal}\right)$ to $\mathrm{joules} \left(\mathrm{J}\right).$.

What is the relation between calories and joule?

The dimensional formula of energy is $\left[{\mathrm{M}}^{-1}{\mathrm{L}}^2{\mathrm{T}}^{-2}\right]$.

Write a short note on energy. Also mention its dimensional formula.

What is gravitational potential energy? Derive its equation.

One _____ heat is the amount of energy that increases the temperature of $1$ g of water by $1$ degree Celsius.

An electric heater is rated $1500 \mathrm{W}$. The energy used by it in $10$ hours is :

One _____ heat is the amount of energy that increases the temperature of $1$ gram of water by $1$ degree Celsius.

An electric heater is rated $1500 \mathrm{W}$. The energy used by it in $10$ hours is :

We can neither create nor destroy ___________. We can just change it from one form to another.

The sum of kinetic energy and potential energy of an object is its total ______energy.

The kinetic energy of an object _______with its speed.

An object of mass, m is moving with a constant velocity, v. How much work should be done on the object in order to bring the object to rest?

When a sound wave travels in the air, the physical quantity which is transferred from one place to the other is: