Answer:
SI unit for energy is Joules.
in base units it will be:
1 J = 1 N·m = <u>1 kg·m²/s²</u>
Explanation:
velocity is distance divided by time.
so
the average speed of the ball is 10m/20s
= 0.5 m/s
Velocity = displacement / time
v = √((58 m)² + (135 m)²) / (12 min × 60 s/min)
v = 0.20 m/s
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