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klasskru [66]
2 years ago
14

A 291 kg motorcycle moves with a velocity of 7 m/s. What is its kinetic energy? Joules

Chemistry
1 answer:
Elenna [48]2 years ago
3 0
Kinetic energy=1/2*mass*velocity²
=1/2*291*49
=7129.5 Joules
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Significant figures are figures that contribute to the general and overall value of the whole number.

Significant figures or digits are specifically meaningful with respect to the precision of a measurement.

Although, the original number given in this question has 9 significant figures, the number; 300.235800 can be rounded up to four significant figures as follows:

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