a 2 meter tall astronaut standing on mars drops her glasses from her nose. how long will the astronaut have before he hits the g
1 answer:
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Answer:
The electrical force of attraction between the balloons is .
Explanation:
Given that,
Charge 1,
Charge 2,
Distance between the charges, d = 0.65 m
We need to find the electrical force of attraction between two balloons. It is given by the formula as :
So, the electrical force of attraction between the balloons is . Hence, this is the required solution.
Answer:
a)
Now we can replace the velocity for t=1.75 s
For t = 3.0 s we have:
b)
And we can find the positions for the two times required like this:
And now we can replace and we got:
Explanation:
The particle position is given by:
Part a
In order to find the velocity we need to take the first derivate for the position function like this:
Now we can replace the velocity for t=1.75 s
For t = 3.0 s we have:
Part b
For this case we can find the average velocity with the following formula:
And we can find the positions for the two times required like this:
And now we can replace and we got: