To solve this problem, we use the formula:
F = G m1 m2 / r^2
where F is gravitational force, G is constant, m1 and m2
are masses while r is the distance between the two asteroids
Since G m1 m2 is constant, therefore:
F1 r1^2 = F2 r2^2
So if r2 = 2 r1:
(1,000,000 N) (r1^2) = F2 * (2 r1)^2
<span>F2 = 250,000 N</span>
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<span>It was divided by 4</span>
Answer:
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Explanation:
Your reasoning that the shadow is the shortest at mid-day is spot-on!
The wording of the question is the key to the answer. It says that the measurements were made in Summer. So this means that British Summer Time (BST) is being applied. BST is one hour ahead of Greenwich Mean Time and so what looks like 1pm is really 12 noon.
The safest sort of answer is to say that the shadow is shortest when the sun is at its highest point, and in this particular question that is at 1 pm because it is BST.
1) Hubble Space Telescope- Visible and near-ultraviolet
2) Compton Gamma Ray Observatory- Gamma Rays
3) Chandra X-ray Observatory- X-rays
4) Spitzer Space Telescope- infrared
Answer:
7.5 m/s
Explanation:
Unfortunately, I don't have an explanation but I guessed the correct answer.
A resultante das duas forças será zero, já q os sentidos são opostos e sãos iguais em módulo, elas se anulam. Logo, se a força resultante é zero, e F=ma, aceleração também será igual a zero.
