A projectile is fired at 30°. Neglecting friction, the change in kinetic energy when

A Projectile Is Fired At 30 Neglecting Friction The Change Physics Question

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:

  1. The input signal given to a CE amplifier having a voltage gain of 150 is
  2. A bullet loses 1/20 of its velocity after penetrating a plank.How many planks
  3. The friction of the air causes a vertical retardation equal to 10%
  4. A horizontal straight conductor kept in north-south direction falls under gravity. Then
  5. 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

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*