Question
Question: A ball is thrown from a roof top at an angle of \(45^{o}\)above the horizontal. It hits the ground a...
A ball is thrown from a roof top at an angle of 45oabove the horizontal. It hits the ground a few seconds later. The ball has the smallest speed during its motion when
A
It is at the highest point
B
It is at the point of projection
C
It hits the ground
D
Both (2) and (3)
Answer
It is at the highest point
Explanation
Solution
The ball will have the smallest speed when it is at the highest point because at the highest point the ball have only the horizontal component of the velocity.