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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 statement is false for the properties of electromagnetic waves?
- A tube of length L is filled completely with an incompressible liquid of mass
- Function of a rectifier is
- Find out the e.m.f. produced when the current changes from 0 to 1 A in 10 sec.
- Two capacitors of 10pF and 20pF are connected to 200V and 100V sources, respectively.
Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- which of the following statement is false for the properties of electromagnetic waves?
- A tube of length L is filled completely with an incompressible liquid of mass
- Function of a rectifier is
- Find out the e.m.f. produced when the current changes from 0 to 1 A in 10 sec.
- Two capacitors of 10pF and 20pF are connected to 200V and 100V sources, respectively.
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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