Question

A body is projected from the ground at an angle of 60
o
with the horizontal. The ratio of the maximum
height attained by it to its horizontal range is:

Answer 1

Answer:

17.3m

Radius of curvature r=

2

R

where R is the range

r=

2

R

=

2g

u

2

sin2θ

where 'u' is initial speed

r=

2×10

20

2

×sin2(30

∘

)

=

20

400×

2

3

=10

3

=17.3m

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