An iron sphere of mass $10\ kg$ has the same diameter as an aluminium sphere of mass is $3.5\ kg$. Both spheres are dropped simultaneously from a tower. When they are $10\ m$ above the ground, they have the same
$(a)$. acceleration
$(b)$. momenta
$(c)$. potential energy
$(d)$. kinetic energy

Gravitational acceleration is the same for all the freely falling objects. As the value of $g$ does not depend on the mass of the freely falling object.

Therefore, option $(a)$ is correct.

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Updated on: 10-Oct-2022

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