Ball thrown at 60 degrees: vertical velocity at 1.5 s

Practice question

Question

A ball is thrown at 22m/s at 60∘. What is its vertical velocity at t\=1.5s? (Take g\=10m/s2,sin⁡60∘\=0.866)

Options

Choose one · Correct answer highlighted

5 m/s Correct 10 m/s 4 m/s 6 m/s

Explanation

Vertical velocity vy=v0sin⁡θ0−gt. As per NCERT Chapter 3, equations v=u+at, s=ut+½at², v²=u²+2as describe uniformly accelerated motion. Applying correct signs and units gives 5 m/s as the result, so option A is correct.

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