NEET UG PHYSICS MCQ: MOTION IN A STRAIGHT LINE

1 Hard

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Application +4 | -1

A ball is thrown vertically upwards. It was observed at a height h twice with a time interval

\Delta

t. The initial velocity of the ball is

View answer and explanation

Correct option: C

\frac{1}{2}\sqrt {8\mathrm{g}h + {\mathrm{g}^2}{{\left( {\Delta t} \right)}^2}}

Option C (

\frac{1}{2}\sqrt {8\mathrm{g}h + {\mathrm{g}^2}{{\left( {\Delta t} \right)}^2}}

) is correct because it is derived from the equations of motion, considering the time interval between the ball passing the height h twice.

More Questions from MOTION IN A STRAIGHT LINE

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8 \mathrm{~m} / \mathrm{s}

30\mathrm{km}{\mathrm{h}^{ - 1}}

1 \mathrm{~ms}^{-2}

150 \mathrm{~m}

2 \mathrm{~ms}^{-2}

{V_1} = 10\,kmph

{V_2} = 20\,kmph

{V_3} = 60\,kmph