JEE Main 2022 · 26 Jun · Shift 1 · Physics Q52

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PhysicsInteger+4 / -1Question 52 of 90

A ball of mass 0.5 kg is dropped from the height of 10 m. The height, at which the magnitude of velocity becomes equal to the magnitude of acceleration due to gravity, is ______ m.

[Use $g=10$ m/s $^2$ ]

Your answer

Answer and worked solution

Official answer: 5

Speed 10 m/s after falling $\dfrac{v^2}{2g}=\dfrac{100}{20}=5$ m.

Height $10-5=5$ m.

Answer: 5

Topics:Motion in a straight line

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JEE Main 2022 · 26 Jun · Shift 1, Physics question 52