Which one of the following is incorrect pair.
A
Horizontal range is maximum when angle of projection is 
.
. B
Vertical height is maximum when the angle of projection is 
.
. C
and 
co-ordinates change in projectile motion with 
time. D
The magnitude of velocity with time in projection 
first increase then decrease.
first increase then decrease.
Text Solution
Verified by ExpertsThe correct answer is:
D
Horizontal range, 
= 1
2 
Vertical height, 
or 
In projectile motion, both 
and 
coordinate change with time.
In projectile motion, horizontal component of velocity 
remains constant but vertical component 
first decreases, then increases and so, in the case for the magnitude of velocity 
.
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