Avogadro’s law and charles’s law describe a proportionality of the volume of a gas when the pressure is constant. Describe the p
1 answer:
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Answer:112.82 m/s
Explanation:
Given
range of arrow=68 m
as the arrow travels it acquire a vertical velocity
-------1
Range is given by
R=ut
where u=initial velocity
substitute the value of t in eqn 1
--------2
and
substitute it in 2
u=112.82 m/s