Answer:
The average velocity is 2 m/s.
Explanation:
The velocity of the particle is the time derivative of its position
Now the average from and
is
Thus, the average velocity is 2 m/s.
Calculate the GPE of a rock with a mass of 55kg on a cliff that is 27m high
1 answer:
Answer:
<em>P=mgh</em>
<em>P=mghm=55</em>
<em>P=mghm=55g=9.8 or ~10</em>
<em>P=mghm=55g=9.8 or ~10h=27</em>
Explanation:
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- q1=2×10^{-9}C
- q2=4×10^{-9}C
- Radius=3cm=0.3m
Using coulmb's law