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AP EAMCET · PHYSICS · Motion In Two Dimensions

From the top of a tower \(19.6 \mathrm{~m}\) high, a ball is thrown horizontally. If the line joining the point of projection to the point where it hits the ground makes an angle of \(45^{\circ}\) with the horizontal, then the initial velocity of the ball is

  1. A \(9.8 \mathrm{~ms}^{-1}\)
  2. B \(4.9 \mathrm{~ms}^{-1}\)
  3. C \(14.7 \mathrm{~ms}^{-1}\)
  4. D \(2.8 \mathrm{~ms}^{-1}\)
Verified Solution

Answer & Solution

Correct Answer

(A) \(9.8 \mathrm{~ms}^{-1}\)

Step-by-step Solution

Detailed explanation

Given that, height of tower, \(h=19.6 \mathrm{~m}\) Angle of line joining from point of projection to the point of ground with horizontal,…
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