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Roger Maris swung a bat which had a mass of 2 Kg at a velocity of 45 m/s. How many joules of kinetic energy could he give to a ball?

User Nick Heppleston
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1 Answer

22 votes
22 votes

ANSWER:

2025 joules

Explanation:

Given:

Mass (m) = 2 kg

Velocity (v) = 45 m/s

The kinetic energy is given by the following equation:


K_E=(1)/(2)mv^2

We replacing:


\begin{gathered} K_E=(1)/(2)\cdot2\cdot45^2 \\ K_E=2025\text{ J} \end{gathered}

The kinetic energy is equal to 2025 joules.

User Nick Orton
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