The distance (x) in meters travelled by a particle is related to time (t) in seconds by the equation of motion x = 10t + 4t². Wh
1 answer:
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The correct answer is:
<span>A. orbiting closer to the earths surface.
In fact, the gravitational force exerted by the Earth on the satellite is
</span>
<span>where
G is the gravitational constant
M is the Earth mass
m is the satellite mass
r is the distance of the satellite from the Earth's surface
We can see that, if the satellite orbits closer to the Earth's surface, its distance r from the centre of the planet decreases. But when r decreases, F (the gravitational force) increases, so A is the correct answer.</span>
<span>A. orbiting closer to the earths surface.
In fact, the gravitational force exerted by the Earth on the satellite is
</span>
<span>where
G is the gravitational constant
M is the Earth mass
m is the satellite mass
r is the distance of the satellite from the Earth's surface
We can see that, if the satellite orbits closer to the Earth's surface, its distance r from the centre of the planet decreases. But when r decreases, F (the gravitational force) increases, so A is the correct answer.</span>
Answer:
Explanation:
A number of the form
can be re-written in the radical form as follows:
In this problem, we have:
a = 1,250
m = 3
n = 4
So, if we apply the formula, we get
Then, we can rewrite 1250 as
So we can rewrite the expression as