NEET UG PHYSICS MCQ: MOTION IN PLANE

1 Easy

1 of 1

Application +4 | -1

Two projectiles thrown at

30^{\circ}

and

45^{\circ}

with the horizontal respectively, reach the maximum height in same time. The ratio of their initial velocities is:

View answer and explanation

Correct option: C

\sqrt{2}: 1

Option C (

\sqrt{2}: 1

) is correct. The ratio of initial velocities is derived from the time to reach maximum height, which depends on the vertical component of velocity.

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\mathrm{\vec a}\,and\,\mathrm{\vec b}

\mathrm{\vec a}\,and\,\mathrm{\vec b}

\overrightarrow P \,\,.\,\,\overrightarrow Q = 0\,and\,\overrightarrow P \,\, \times \,\,\overrightarrow Q = 0

\overrightarrow Q \,and\,\overrightarrow R

\vec{A}=3 \hat{i}+4 \hat{j}

\vec{B}=6 \hat{i}+8 \hat{j}

A

B

\overrightarrow{\mathrm{A}}

\overrightarrow{\mathrm{B}}

{\cot ^{ - 1}}\left( 2 \right)