A 0.450-kg soccer ball has a kinetic energy of 119 J. What is the velocity of the
soccer ball?

23m/s

Explanation:

Given that:

Mass of soccer ball = 0.450kg

kinetic energy = 119 J

velocity of the soccer ball = ?

Kinetic energy is the energy possessed by a moving object. It is measured in joules, and depends on the mass (m) of the object and the velocity (v) by which it moves

i.e K.E = 1/2mv^2

119J = 1/2 x 0.450kg x v^2

119J = 0.225kg x v^2

v^2 = 119J / 0.225kg

v^2 = 528.9

To get the value of velocity, find the square root of v

v = √528.9

v = 22.997m/s (Round result to 23)

Thus, the velocity of the soccer ball is 23m/s

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