Question:
An object is projected at an angle of elevation of 45 0 with a velocity of 100 m/s .calculate its (1) range (11) time of flight
Answer:
Given,
Angle of projection θ=45 degree
Initial velocity u =100 m/sec
So, Range R= u2 sin2θ /g
= 100*100*sin90/10= 1000 m
Time of flight T= 2u sinθ/g = 2*100*(1/√2) / 10
= 10√2 sec
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