Kinetic Energy= 0.5 times velocity squared times mass
So KE= 0.5times 150 times 40 squared
(Use a calculator)
And don't forget units
Answer:
c. The rusting of the joints of a metal children’s swing set.
Explanation:
By definition, chemical property describes the ability of a substance to undergo a specific chemical change.
In the definition above, the key words are; "Chemical change".
Generally, chemical changes are irreversible. This means we just have t observe the options and pick the one that contains an irreversible change.
Upon doing ths, the correct option is;
c. The rusting of the joints of a metal children’s swing set.
This is because rusting is a chemical change and is irreversible.
Answer:
One distinguishing feature between physical and chemical changes is that a physical change can be reverse or turn back to its original form, but chemical change cannot be return to its form because the material change.
Explanation: