Question

You throw a ball with a mass of 2.1 kg. The ball leaves your hand at 30m/s.
The ball has
energy. Calculate it.
hall Teighs 190N.​

Answer 1

The Kinetic energy is given by

= (1/2) m.v²

= 0.5 x 2.1 x 30²

= 945 kgm/s²

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Answer 2

Answer:

945 ᴊ

Explanation:

ᴇᴋ = ᴍᴠ²/2

ᴇᴋ (ʙᴀʟʟ) = 2. 1 × 30²/2

= 945 ᴊ

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