LIULIS. What would happen to speed if distance increased in the same amount of time?
1 answer:
Answer:
The speed will be increased.
Explanation:
We can better understand this analysis, if we use numerical values and remember the expression or formula for speed. We know that speed is defined as the distance travelled at a given time.
So if we have the distance x = 4 [m] and the time 2 [s], the speed will be:
v = (4/2) = 2 [m/s]
And if we increase the distance to x = 10 [m] at the same time 2[s], the speed will be:
v = (10/2) = 5 [m/s]
So we can see that the speed is increased.
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Answer:
There are 756.25 electrons present on each sphere.
Explanation:
Given that,
The force of repression between electrons,
Let the distance between charges, d = 0.2 m
The electric force of repulsion between the electrons is given by :
Let n are the number of excess electrons present on each sphere. It can be calculated using quantization of charges. It is given by :
q = ne
n = 756.25 electrons
So, there are 756.25 electrons present on each sphere. Hence, this is the required solution.