A block is thrown upwards with a kinetic energy of $2 J$ . If the mass of the block is $100 g$ . Find its maximum height.

1 m

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2 m

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3 m

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4 m

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Solution

The correct option is B $2 m$
Using energy conservation,

Initial kinetic energy $=$ Final Potential energy

$\Rightarrow 2 = m g h$

$\Rightarrow 2 = 0.1 \times 10 \times h$

$\Rightarrow h = 2 m$

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A block is thrown upwards with a kinetic energy of 2 J. If the mass of the block is 100 g. Find its maximum height.

The correct option is B 2 mUsing energy conservation, Initial kinetic energy = Final Potential energy ⇒2=mgh ⇒2=0.1×10×h ⇒h=2 m

A block is thrown upwards with a kinetic energy of $2 J$ . If the mass of the block is $100 g$ . Find its maximum height.

The correct option is B $2 m$
Using energy conservation,

Initial kinetic energy $=$ Final Potential energy

$\Rightarrow 2 = m g h$

$\Rightarrow 2 = 0.1 \times 10 \times h$

$\Rightarrow h = 2 m$