Physics: Aman runs with a kinetic energy of 550.8 j. if he has a mass of 85 kg, what is his speed?

Aman runs with a kinetic energy of 550.8 j. if he - id55082907746, leyslebravo2729

Ответ:

Solany6426

05.01.2022

$3.6\frac{m}{s}$

Explanation:

In physics, the kinetic energy of a body is that energy it possesses due to its movement and is defined by the expression

$E_{k} =\frac{m*v^{2} }{2} \\\\$

where E_{k} is the kinetic energy, m is the mass of the object and v is its speed.

also $1J=kg*\frac{m^{2} }{s^{2} } \\\\$

Now we have to replace the known values and isolate the the speed(v)

$550.8J=\frac{58kg *v^{2} }{2} \\2*550.8=58kg*v^{2} \\\\v^{2} =\frac{1101.6 J}{58 kg}$

$v=\sqrt{12.96 \frac{m^{2} }{s^{2} } } \\v=3.6 \frac{m}{s}\\$

Have a great day.

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Ответ:

brillamontijo

13.08.2022

Physics

Petroleum is a nonrenewable resource. This being because it is a natural gas that take millions of years for it to reform which means each part of it is a once in a lifetime use.

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Aman runs with a kinetic energy of 550.8 j. if he has a mass of 85 kg, what is his speed?

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