samiamv0720 samiamv0720

01-10-2021
Physics

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cindy threw a ball with Kinetic energy of 3.5 ana a velocity of 17 m/s. What is the mass of the ball?

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Аноним Аноним

01-10-2021

K.E=3.5J
Velocity=17m/s
Mass be m

[tex]\\ \sf\Rrightarrow K.E=\dfrac{1}{2}mv^2[/tex]

[tex]\\ \sf\Rrightarrow 3.5=\dfrac{1}{2}m(17)^2[/tex]

[tex]\\ \sf\Rrightarrow 7=289m[/tex]

[tex]\\ \sf\Rrightarrow m=\dfrac{7}{289}[/tex]

[tex]\\ \sf\Rrightarrow m=0.024kg[/tex]

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