CBSE Class 11-science Answered
Two stones of different masses are thrown vertically upward with same initial velocity. Which one will rise to a greater height?
* Stone of lower mass
* Stone of higher mass
* Both will rise to the same height
* Information given is insufficient
Two stones of different masses are thrown vertically upward with same initial velocity. Which one will rise to a greater height?
* Stone of lower mass
* Stone of higher mass
* Both will rise to the same height
* Information given is insufficient
Two stones of different masses are thrown vertically upward with same initial velocity. Which one will rise to a greater height?
* Stone of lower mass
* Stone of higher mass
* Both will rise to the same height
* Information given is insufficient
Two stones of different masses are thrown vertically upward with same initial velocity. Which one will rise to a greater height?
* Stone of lower mass
* Stone of higher mass
* Both will rise to the same height
* Information given is insufficient
Asked by Jacob Jose | 14 Apr, 2011, 04:03: PM
Expert Answer
Ans-
Let the mass of the lighter stone be 'm' and mass of the heavier stone be 'M'.
Let us take vertically upward direction as the positive Y-axis.
Let us assume that initial velocity be u = 4 m/s and acceleration due to gravity be , it is minus because the acceleration due to gravity is against the gravity of Earth.
At the highest point Velocity is zero, so final velocity is zero.
therefore using the formula
Therefore height is 0.80m for both the stone as their is no involvement of mass in it.
So, (C) is the answer.
Answered by | 16 Apr, 2011, 01:54: AM
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