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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
- Rutherford’s α-scattering experiment concludes that
- A hollow metal sphere of radius 10 cm is charged such that the potential on its surface
- Two lenses of power 15 D and -3 D are placed in contact.
- In a nuclear reactor, the number of U²³⁵ nuclei undergoing fissions per second
- Order of e/m ratio of proton, α-particle and electron is
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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