Answer:
A theory changes based on new observations and testing.
Explanation:
A scientific theory is a product of multiple trials and repeated experiments. It usually follows after carefully conducting and testing the validity of the hypothesis.
A scientific theory provides an explanation into how something behaves.
A law just states a finding will not explain it.
Most theories are tenable and can be improved upon when new observations and testing are carried out.
Contact forces is the answer
Answer:
83.3 kHz
Explanation:
The frequency of a waveform is equal to the reciprocal of its period:

where
f is the frequency
T is the period
In this problem, we have

so, the frequency of the waveform is

And by converting into kiloHertz,

<span>Why is the weight of an object more on Earth than on the Moon? i would say c</span>
Answer:
d.
Explanation:
the arrow is starts at 0,0 and ends at 2,2