🩺 NEET🧲 Physics

A car starts from rest and accelerates at \( 5 \mathrm{~m} / \mathrm{s}^{2} \). At \( \mathrm{t}=4 \mathrm{~s} \), a bal…

Q1

A car starts from rest and accelerates at \( 5 \mathrm{~m} / \mathrm{s}^{2} \). At \( \mathrm{t}=4 \mathrm{~s} \), a ball is dropped out of a window by a person sitting in the car. What is the velocity and acceleration of the ball at \( \mathrm{t}=6 \mathrm{~s} \) ?

[NEET 2021]

a

\( 20 \mathrm{~m} / \mathrm{s}, 0 \)

b

\( 20 \sqrt{2} \mathrm{~m} / \mathrm{s}, 0 \)

c

\( 20 \sqrt{2} \mathrm{~m} / \mathrm{s}, 10 \mathrm{~m} / \mathrm{s}^{2} \)

d

\( 20 \mathrm{~m} / \mathrm{s}, 5 \mathrm{~m} / \mathrm{s}^{2} \)

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