A Boy Throws a Rock with an Initial Velocity of

question 50

Multiple Choice

A boy throws a rock with an initial velocity of
At 30.0° above the horizontal.How long does it take for the rock to reach the maximum height of its trajectory if air resistance is negligibly small and g = 9.80 m/s²?

• A)0.160 s
• B)0.282 s
• C)0.313 s
• D)0.441 s

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