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Sagot :
Answer: [tex]116\text{ joules}[/tex]
Step-by-step explanation:
Given: Mass of baseball=0.145 kg
Speed of baseball=40 meters per second
Also it is given that The kinetic energy (in joules) of a moving object can be calculated from the expression [tex]\frac{1}{2}mv^2[/tex] , where 'm' is the mass of the object in kilograms and 'v' is its speed in meters per second.
Thus, the kinetic energy of baseball=[tex]\frac{1}{2}(0.145)(40)^2[/tex]
[tex]\frac{1}{2}(0.145)(1600)=116\text{ joules}[/tex]
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