erindoggo3 erindoggo3

19-12-2019
Mathematics

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You serve a volleyball with a mass of 2.1 kg the ball leaves your hand with the speed of 30 m/s the ball has kinetic energy calculate it

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Stefanisaska Stefanisaska

19-12-2019

Answer:

945 J

Step-by-step explanation:

ball mass : m1=2.1kg

Speed of ball: V=30m/s

K=?

--------------------------------------

Use equation for Kinetic energy:

K=m*V²/2

K=2.1kg*(30m/s)²/2

K=(2.1kg*900m²/s²)/2

K=945J

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