Published by:
CGP EDU Academic Team
Published on: September 12, 2026
The greatest height to which a man can throw a stone is h. The greatest distance upto which he can throw the stone is h/2.
Text Solution
Verified by ExpertsThe correct answer is:
B
Step 1: Understand the relationship between the maximum height and the range for projectile motion. The range (R) of a projectile is given by the formula:
where
Step 2: The maximum height (H) reached by the projectile is given by:
Step 3: Given in the question, the maximum height is
Step 4: From the first equation, we can rearrange to find
Step 5: From the second equation, we can rearrange to find
Step 6: Using the identity
Therefore, it can be concluded that since
R = \frac{u^2 \sin(2\theta)}{g} where
u is the initial velocity, \theta is the angle of projection, and g is the acceleration due to gravity. Step 2: The maximum height (H) reached by the projectile is given by:
H = \frac{u^2 \sin^2(\theta)}{2g} Step 3: Given in the question, the maximum height is
h and range is \frac{h}{2}. We can set the relationships to find u and \theta:h = \frac{u^2 \sin^2(\theta)}{2g} \frac{h}{2} = \frac{u^2 \sin(2\theta)}{g} Step 4: From the first equation, we can rearrange to find
u^2\sin^2(\theta):u^2\sin^2(\theta) = 2gh. Step 5: From the second equation, we can rearrange to find
u^2\sin(2\theta):u^2\sin(2\theta) = 2g \frac{h}{2} = gh Step 6: Using the identity
\sin(2\theta) = 2\sin(\theta)\cos(\theta), we see that \sin(2\theta) is related to \sin^2(\theta) via u^2\cdot2\sin(\theta)\cos(\theta) = gh. Therefore, it can be concluded that since
h = \frac{R}{4}, the proper ratio is observed leading to the striking outcome on the distance and height based on physical projectile motion principles.
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