GATE ME 2023 Set 1 — Question 37

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MCQ+2 / -0.67HardLinear & Angular Impulse-MomentumDynamicsEngineering Mechanics

Engineering Mechanics → Dynamics → Linear & Angular Impulse-Momentum

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Question

A spherical ball weighing 2 kg is dropped from a height of 4.9 m onto an immovable rigid block as shown in the figure. If the collision is perfectly elastic, what is the momentum vector of the ball (in kg m/s) just after impact?
Take the acceleration due to gravity to be g=9.8 m/s2g = 9.8 \text{ m/s}^2. Options have been rounded off to one decimal place.
A spherical ball of mass 2 kg falling vertically from a height of 4.9 m onto a rigid block with a surface inclined at 30 degrees to the horizontal. A coordinate system with unit vectors $\hat{i}$ and $\hat{j}$ is shown.
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