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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: - Two sources P and Q produce notes of frequency 660 Hz each.
- The instantaneous values of alternating current and voltages in a circuit are given as
- A transformer rated at 10 kW is used to connect a 5 kV transmission line to a 240 V
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Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two sources P and Q produce notes of frequency 660 Hz each.
- The instantaneous values of alternating current and voltages in a circuit are given as
- A transformer rated at 10 kW is used to connect a 5 kV transmission line to a 240 V
- In a common emitter (CE) amplifier having a voltage gain G, the transistor
- The charges Q, +q, and +q are placed at the vartices of an equilateral
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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