A missile is fired for maximum range with an initial velocity of 20 m/s

A Missile Is Fired For Maximum Range With An Initial Physics Question

A missile is fired for maximum range with an initial velocity of 20 m/s. If g = 10 m/s², the range of the missile is

Options

(a) 40 m
(b) 50 m
(c) 60 m
(d) 20 m

Correct Answer:

40 m

Explanation:

For maximum range, the angle of projection, θ = 45°.
R = u² sin 2θ / g
(20)² sin ( 2 x 45°) / 10
400 x 1 / 10 = 40 m.

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Question Type: Apply (15)
Difficulty Level: Easy (1008)
Topics: Motion in Straight Line (93)
Subject: Physics (2479)

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