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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 balloon with mass m is descending down with an acceleration a
- The phenomenon of radioactivity
- When an input signal 1 is applied to a NOT gate, then its output is
- Two equal and opposite charges of masses m₁ and m₂ are accelerated
- The kirchoff’s first law (∑i=0) and second law (∑iR=∑E), where the symbols
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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