Study the table below

X - weight , Y - mass

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X - Kinetic energy, Y - Weight

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X - heat, Y- Mass

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X - Kinetic energy, Y - Volume

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Solution

The correct option is B
X - Kinetic energy, Y - Weight

We know that mechanical energy is the summation of Kinetic energy and potential energy, Therefore, X is Kinetic energy.
Potential energy (P.E) is given by $P . E = m g h$ where, m is mass, g is acceleration due to gravity and h is height.
The missing Y will be weight $= m g$ [from point 2]
Hence, option B is correct.

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Similar questions

Study the classification table below. How have the objects been classified?

Medium	1	2	3
Refractive Index	1.33	1.5	2.4

Study the table given below and answer the questions that follow.

Material	Allows light to pass through it	Does it form a shadow?
Wood	No	Yes
Butter paper	Partially	Yes
Bricks	No	Yes
Glass	Yes	No
Cardboard	No	Yes
Metal	No	Yes
Frosted glass	Partially	Yes

Identify translucent objects from the table given above. Give reasons for your choice.

A

B

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