Question

1.
The maximum range of a gun on horizontal terrain is 16 km.
If g=10m/s. What must be the muzzle velocity of the
shell
[KCET 1999; BHU 2003]
(a) 200 m/s
(b) 400 m/s
(c) 100 m/s
(d) 50 m/s​

Answer 1

Answer:

Explanation:

Horizontal Range R=gu2sin2θ​

For maximum horizontal range θ=450

or, Rmax=gu2​; where u is the muzzle velocity of the shell

∴1600m=10m/s2u2​

∴u=400m/s

Hence,

option (B) is correct answer.

Answer 2

Answer:

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