Be .....

The number of complete vibration made by a particle of a medium in one second is called the frequency of the .....

Any two things that I may give to flood victims are: Provide medicine Provide .....

Power  Energy 1. Power is the rate of doing work. 1. Energy is the capacity of doing work 2. Its SI unit is watt. 2. Its SI unit is joule 3. It is affected by time. 3. It is not affected by .....

Any two things that I may give to help earthquake victims are: Provide them shelter Provide them .....

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Any three ways to help flood victims are: Provide them food Provide them clothes Collect funds for .....

The planets enclosed by asteroid belts are called inner .....

The time period from the new moon to the full moon in whichthe brightness of the moon increases is called the bright .....

दुलोभित्र सर्प छ .....

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Potential Energy Kinetic energy 1. The energy possessed by a body due to its position or change in its shape is called potential energy. 1. The energy produced as a result of motion of a body is called kinetic .....

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The period between two consecutive new moons is called the lunar .....

1. Earth   2. Cloud  3. .....

More the potential energy more will be the kinetic energy of the body when it falls. Hence, the body with mass 2m will have greater kinetic energy as it has more potential energy. Kinetic energy is given by the expression KE = 1/2 mv2, therefore, .....

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Here,

Mass of an object (m) = 15 kg

Distance (d) = 40 m

Time (t) = 40 minute

Work done (W) =?

Power (P) =?

We know that,

W = F × d

or, W = m × g × d    .....

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The reaction in which the substances decompose on heating is called thermal decomposition .....

हामी किताब .....