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  4. A bullet is shot vertically downwards with an initial velocity of 100 m / s from a certain height. Within 10 s, the bullet reaches the ground and instantaneously comes to rest due to the perfectly inelastic collision. The velocity-time curve for total time t =20 s will be: (. Take .g =10 m / s 2)

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Q. A bullet is shot vertically downwards with an initial velocity of $100 \,m / s$ from a certain height. Within $10\, s$, the bullet reaches the ground and instantaneously comes to rest due to the perfectly inelastic collision. The velocity-time curve for total time $t =20\, s$ will be : $\left(\right.$ Take $\left.g =10 \,m / s ^2\right)$

JEE MainJEE Main 2022Electrostatic Potential and Capacitance

Solution:

$V =-100-10 t$