Kinematics · JEE Main previous year questions

2002 2 questions

1. Q752002 · 27 Apr 2002 · Shift 1

   From a building two balls A and B are thrown such that A is thrown upwards and B downwards ( both vertically with the same speed ). If $v_A$ and $v_B$ are their respective velocities on reaching the ground, then

   1. A.$v_B>v_A$
   2. B.$v_A=v_B$
   3. C.$v_A>v_B$
   4. D.their velocities depend on their masses.
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   Answer: B

2. Q842002 · 27 Apr 2002 · Shift 1

   The maximum velocity (in $\mathrm{m}{\mathrm{s}}^{-1}$) with which a car driver must traverse a flat curve of radius 150 m and coefficient of friction $0.6$ to avoid skidding is

   1. A.$60$
   2. B.$30$
   3. C.$15$
   4. D.$25$
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   Answer: B