Question
Physics Question on Escape Speed
A ball is projected from the ground with a speed 15 ms1 at an angle θ with horizontal so that its range and maximum height are equal, then ‘tan θ’ will be equal to
A
41
B
21
C
2
D
4
Answer
4
Explanation
Solution
∵ tanθ=R4H
⇒ tanθ = 4 × 1
⇒ tanθ = 4"