Answer:
According to Oxford Dictionaries "Precision" means "the quality, condition, or fact of being exact and accurate."
Explanation:
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Answer:
Wavelength is 0.5
Explanation:
To work it out, you divide Wave speed by the Frequency (24÷48=0.5)
Answer:
400
Explanation:
Formula used in solution:


The given information:


Solution

Answer:

Electromagnets can be turned off, this makes it easier to release things from the magnetic field.
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Answer:
D
friction acts in the opposite direction of motion but does not affect the motion of the object