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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
- A solid sphere, disc and solid cylinder all of the same mass and made up of same material
- If alpha, beta and gamma rays carry same momentum, which has the longest
- If fundamental frequency of closed pipe is 50 Hz then frequency of 2nd overtone
- The escape velocity of a body on an imaginary planet which is thrice the radius
- The ultimate individual unit of magnetism in any magnet is called
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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