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A projectile is fired at 30°. Neglecting friction, the change in kinetic energy when it returns to the ground will be
Options
(a) zero
(b) 30%
(c) 60%
(d) 100%
Correct Answer:
zero
Explanation:
In case of projectile motion,
K.E. at projection = K.E. at landing on ground.
Hence there is no change in K.E.
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Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Find the fundamental frequency of a closed pipe if the length of air column is 42m.
- The name of ions knocked out from the hot surface is
- A particle moves a distance x in time but according to equation x=(t+5)⁻¹
- A parallel plate condenser with a dielectric of dielectric constant K between the plates
- A coil of 40 henry inductance is connected in series with a resistance of 8 ohm
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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