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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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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A person holding a rifle (mass of person and rifle together is 100 kg) stands on a smooth
- The friction of the air causes a vertical retardation equal to 10%
- A metal plate weighing 750g is to be electroplated with 0.05% of its weight of silver.
- The electric vector vibration of an electromagnetic wave is given by
- The de-broglie wavelength of an electron in 4th orbit is
Question Type: Apply (15)
Difficulty Level: Easy (1008)
Topics: Motion in Straight Line (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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