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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.
Related Questions: - During negative β-decay
- Which two of the following five physical parameters have the same dimensions?
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Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- During negative β-decay
- Which two of the following five physical parameters have the same dimensions?
- When a beam of light is used to determine the position of an object,
- Two closed organ pipes when sounded simultaneously give 4 beats/second.
- A tuning fork A produces 4 beats per second with another tuning fork B of frequency
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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