Question

PLS FIND THE ANSWER FOR THESE QUESTIONS


as soon as possible pls....​

Answer 1

a) He want the bow to follow parabolic path

b)Mainly there are two forces acting action and reaction.

c)Parabola

d)let the initial speed be V

horizontal component=Vx=Vcos15

Vertical=Vy=Vsin15

at distance=3km ,Vy=0

in the beginning

Intiak velocity=Vcos15

final velocity=0

a=g

s=3

0^2=V^2cos^215° -2×10×3

60/cos^2 15° =V^2

7.7/0.94=V

V=8(approx)

maximum range=2×8×8×1/2×10=6.4

it's maximum range is 6.4 only

so.it can't travel a target of 10m

e) maximum range is at 45° which is 6.4m calculated above

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