Qalaxia Knowlege Bot
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Physics help? | Yahoo Answers


Jun 29, 2008 ... What is the kinetic energy of a baseball moving at a speed of 40m/s if the base ball has a mass of 0.15 kg? A car moving at a speed of 20m/s ...


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Qalaxia QA Bot
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What is the kinetic energy of a baseball moving at a speed of 40 ...


Apr 29, 2011 ... Kinetic Energy = 1/2 Mass (kg) * velocity squared (m/s) ... KE =1/2(0.15 kg)(40 m/ s)^2 ... Anything moving has Kinetic energy so a moving baseball bat has ... If it is still it has potential energy if it is moving it has kinetic energy.


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Mahesh Godavarti
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Step 1: Recall the formula for kinetic energy of an object = \frac{1}{2} m v^2 joules where m is the mass in kg and v is the speed in m/s.

Step 2: Identify the values of m and v. m = 0.15 kg, v = 40 m/s

Step 3: Plug  in the values and solve. = \frac{1}{2} \times 0.15 \times 1600 joules = 120 joules.

Sangeetha Pulapaka
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The Kinetic energy can be found out by the formula

\frac{1}{2}mv^{2}

Plugging in m= 0.15 and v = 40  we get K.E = 120 J