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Question: Answered & Verified by Expert
A ball $P$ is dropped vertically and another ball $Q$ is thrown horizontally with the same velocities from the same height and at the same time. If air resistance is neglected, then
PhysicsMotion In One DimensionJEE Main
Options:
  • A Ball $P$ reaches the ground first
  • B Ball $Q$ reaches the ground first
  • C Both reach the ground at the same time
  • D The respective masses of the two balls will decide the time
Solution:
1391 Upvotes Verified Answer
The correct answer is: Both reach the ground at the same time
Vertical component of velocities of both the balls are same and equal to zero.
So $t=\sqrt{\frac{2 h}{g}}$
\(\Rightarrow\) Both reach the ground at the same time

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