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Today at 2:11 PM
Mathematics

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The kinetic energy (in joules) of a moving object can be calculated from the expression 1mv where m is the mass of the object in kilograms and v is its speed in meters per second. Find the kinetic energy of a 0.145-kg baseball that is thrown at a speed of 40 meters per second.

Answer :

ampofoeugenia7 ampofoeugenia7

Today at 2:16 PM

The formula is 1/2mv²
1/2*0.145*40²=0.0725*1600=116
Therefore the kinetic energy of that object is 116 joules.

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