Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertio…

Question

Given below are two statements: one is labelled as **Assertion A** and the other is labelled as **Reason R**. **Assertion A**: The kinetic energy needed to project a body of mass $$m$$ from earth surface to infinity is $$\frac{1}{2} \mathrm{mgR}$$, where $$R$$ is the radius of earth. **Reason R**: The maximum potential energy of a body is zero when it is projected to infinity from earth surface.

Accepted Answer

A. A False but $$\mathbf{R}$$ is true

Answer

B. Both $$\mathbf{A}$$ and $$\mathbf{R}$$ are true and $$\mathbf{R}$$ is the correct explanation of $$\mathbf{A}$$

Answer

C. $$\mathbf{A}$$ is true but $$\mathbf{R}$$ is false

Answer

D. Both $$\mathbf{A}$$ and $$\mathbf{R}$$ are true but $$\mathbf{R}$$ is NOT the correct explanation of $$\mathbf{A}$$

Answer & step-by-step solution

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