A bullet with muzzle velocity 10√10 ms is to be shot at a target 50 m away in the same horizontal line. The height above the target must the rifle to be aimed so that the bullet will hit the target
Answers
Answered by
20
according to question,
↪Time taken by bullet to reach the target
T = Distance / Speed
= 50 / 10√10
= √2.5 seconds
↪Height above the target should be
= 0.5 × 10 × (√2.5)^2
= 5 × 2.5
= 12.5 m
uanand508:
That doesn't seem to be the correct answer. The question is asking for the ht. above the target THE RIFLE MUST BE AIMED not kept.
Answered by
2
according to question,
↪Time taken by bullet to reach the target
T = Distance / Speed
= 50 / 10√10
= √2.5 seconds
↪Height above the target should be
H \: = 0.5gT^2H=0.5gT
2
= 0.5 × 10 × (√2.5)^2
= 5 × 2.5
= 12.5 m
Height \: above \: the \: target \: should \: be \: 12.5 \: mHeightabovethetargetshouldbe12.5m
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