| ⇦ | 
| ⇨ |
A stone falls freely under gravity. It covers distances h1, h2 and h3 in the first 5 seconds,the next 5 seconds and the next 5 seconds respectively. The relation between h1, h2 and h3 is
Options
(a) h1= h2/3= h3/5
(b) h2= 3h1 and h3 = 3h2
(c) h1= h2= h3
(d) h1= 2h2= 3h3
Correct Answer:
h1= h2/3= h3/5
Explanation:
h = 1/2 gt² h₁ = 1/2 g(5)² = 125
h₁ + h₂ = 1/2 g (10)² = 500
h = 375
h₁ + h₂ + h₃ = 1/2 g (15)² = 1125
h₃ = 625 h₂ = 3h₁, h₃ = 5h₁
or h₁ = h₂ / 3 = h₃ / 5
Related Questions: - A body is thrown with a velocity of 9.8 m/s making angle of 30° with the horizontal
- A uniform rod of length l is placed with one end in contact with the horizontal
- If the density of earth is doubled keeping its radius constant then acceleration
- Two wires of the same dimensions but resistivities p1 and p2 are connected in series
- Out of the following options which one can be used to produce a propagating
Topics: Motion in Straight Line
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A body is thrown with a velocity of 9.8 m/s making angle of 30° with the horizontal
- A uniform rod of length l is placed with one end in contact with the horizontal
- If the density of earth is doubled keeping its radius constant then acceleration
- Two wires of the same dimensions but resistivities p1 and p2 are connected in series
- Out of the following options which one can be used to produce a propagating
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