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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: - Which of the following does not increase regularly?
- Find out the angle of projection, if range is 4 times of maximum height
- What is the amount of energy released by deuterium and tritium fusion?
- In a tangent galvanometer, a current of 0.1 A produces a deflection of 30⁰.
- A force of 5 N is acting on an object. Displacement of object is 10 m and the work done
Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following does not increase regularly?
- Find out the angle of projection, if range is 4 times of maximum height
- What is the amount of energy released by deuterium and tritium fusion?
- In a tangent galvanometer, a current of 0.1 A produces a deflection of 30⁰.
- A force of 5 N is acting on an object. Displacement of object is 10 m and the work done
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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