1 answer

A 0.40 kg ball is thrown with a speed of 16 m/s at an angle of...

Question:

A 0.40 kg ball is thrown with a speed of 16 m/s at an angle of 23 ∘ .

A) What is its speed at its highest point? Express your answer using two significant figures.

B) How high does it go? (Use conservation of energy, and ignore air resistance.) Express your answer using two significant figures.


Answers

a)The horizontal velocity is, v 16cos 23 14.728 m/s Viy -16sin 23 6.2517 m/s At highest point, the velocity in the y componen

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