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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 glass flask weighing 390 g having internal volume 500 cc just floats
- A disc of mass 100 g is kept floating horizontally in air by firing bullets
- A black body is heated from 27° C to 127° C. The ratio of their energies of radiations
- Radioactivity of a sample at T₁ time is R₁ and at time T₂ is R₂. If half-life
- We get Balmer series when electron comes from
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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