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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
- An α-particle and a proton travel with the same velocity in a magnetic field
- A solid sphere, a hollow sphere and a ring are released from top of an inclined
- If the terminal speed of a sphere of gold (density=19.5 kg/m³) is 0.2 m/s
- Diameter of the objective of a telescope is 200 cm. What is the resolving power
- In an LCR series A.C circuit, the voltage across each of the components, L, C and R is 50V
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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