Question
Question 56:
An object is thrown vertically upwards with a velocity u, the greatest height h to which it will rise before falling back is given by :
(a) u/g
(b) u2/2g
(c) u2/g
(d) u/2g
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Text solutionVerified
Answer:
(b) u2 / 2g
At the maximum height 'h', the velocity becomes zero.
Using,
v^2 = u^2 − 2gh
⇒ 0 = u^2 − 2gh
⇒ h = u^2/(2g)
At the maximum height 'h', the velocity becomes zero.
Using,
v^2 = u^2 − 2gh
⇒ 0 = u^2 − 2gh
⇒ h = u^2/(2g)
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Question Text | Question 56:
An object is thrown vertically upwards with a velocity u, the greatest height h to which it will rise before falling back is given by : (a) u/g (b) u2/2g (c) u2/g (d) u/2g |
Topic | Gravitation |
Subject | Science |
Class | Class 9 |
Answer Type | Text solution:1 |
Upvotes | 74 |