An arrow is shot into the air. its range is 200 metres and its time of flight is 5s. if the value of g is assumed to be 10, then the horizontal component of the velocity of arrow is
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R=v^2sin2thet/g. 200=v^2sin 2thet/10
v^2sin2thet=2000
also1/t =v cos thet/R v^2 cos^2 thet=1600
from above equations thet=32°. v=47.167
v cos thet=40m/s
v^2sin2thet=2000
also1/t =v cos thet/R v^2 cos^2 thet=1600
from above equations thet=32°. v=47.167
v cos thet=40m/s
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