| ⇦ | 
| ⇨ |
The velocity of a particle at an instant is 10 ms⁻¹.After 3 s its velocity will become 16 ms⁻¹.The velocity at 2 s before the given instant, will be
Options
(a) 6 ms⁻¹
(b) 4 ms⁻¹
(c) 2 ms⁻¹
(d) 1 ms⁻¹
Correct Answer:
6 ms⁻¹
Explanation:
Given: v=16 ms⁻¹;u=10 ms⁻¹;t= 3s; a=?
v=u+at
16=10+a(3)
3a=16-10⇒3a=6⇒a=2 ms⁻²
before 2 s,⇒10=u+2×2⇒u=6 ms⁻¹.
Related Questions: - A ship of mass 3 x 10⁷ kg initially at rest is pulled by a force of 5 x 10⁴ N through
- An open pipe resonates with a tuning fork of frequency 500 Hz. It is observed
- The moment of inertia of a uniform circular disc of radius R and mass M about an axis
- When the rate of flow of charge through a metallic conductor
- The equiconvex lens has focal length f. If it is cut perpendicular to the principal
Topics: Motion in Straight Line
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A ship of mass 3 x 10⁷ kg initially at rest is pulled by a force of 5 x 10⁴ N through
- An open pipe resonates with a tuning fork of frequency 500 Hz. It is observed
- The moment of inertia of a uniform circular disc of radius R and mass M about an axis
- When the rate of flow of charge through a metallic conductor
- The equiconvex lens has focal length f. If it is cut perpendicular to the principal
Topics: Motion in Straight Line (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.
Share this page with your friends
Leave a Reply