A particle $A$ is dropped from a height and another particle $B$ is projected in horizontal direction with speed of $5 m / s$ from the same height, then correct statement is

particle

A

will reach at ground first with respect to particle

B

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particle

B

will reach at ground first with respect to particle

A

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both particles will reach at ground simultaneously.

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both particles will reach at ground with same speed.

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Solution

The correct option is C both particles will reach at ground simultaneously.
Time required to reach the ground is dependent on the vertical acceleration of the particle. Vertical acceleration of both the particles $A$ and $B$ are exactly same. Although particle $B$ has an initial velocity, but that is in horizontal direction and it has no component in vertical (component of a vector at a direction of $90^{\circ} = 0$ ) direction. Hence, they will reach the ground simultaneously. Hence, the correct answer is option (c).

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A particle A is dropped from a height and another particle B is projected in horizontal direction with speed of 5 m/s from the same height, then correct statement is

A particle $A$ is dropped from a height and another particle $B$ is projected in horizontal direction with speed of $5 m / s$ from the same height, then correct statement is