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Kaylis [27]
3 years ago
8

Let's say that we have a pilot that is dropping a package from a plane that is flying horizontally at a constant speed. If we ne

glect air resistance when the package hits the ground what would be the horizontal location of the package with respect to the plane?
Physics
1 answer:
antoniya [11.8K]3 years ago
6 0

Answer:

The package will be directly below the location of the plane.

Explanation:

Look up projectile motion for more information. The horizontal speed of the package is separate from the vertical speed of the package. The vertical speed of the falling package will be based on the rate of acceleration and the height of the package when dropped. The horizontal speed of the package will be the same as the plane so the package will remain directly below the plane the entire time until the package hits the ground.

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When you drop a penny off the roof of a building, it takes 16 seconds to reach
guapka [62]

Answer:

Explanation:

I'll do this in both meters and feet, since you don't specify which you need. Since we are only dealing in the y-dimension:

Δx = ???

a = -9.8 m/s/s

v₀ = 0

t = 16 sec

In the equation:

Δx = v₀t + \frac{1}{2}at^2 we fill in accordingly:

Δx = 0(16)+\frac{1}{2}(-9.8)(16)^2 which simplifies to

Δx = \frac{1}{2}(-9.8)(256) so

Δx = -1300 m. Now in feet, it's the same equation but the acceleration is -32 ft/s/s:

Δx = \frac{1}{2}(-32)(256) which is

Δx = -4100 ft (the negative signs here just indicate direction: the penny is this distance below the point from which it was dropped. So, obviously, to answer the question regarding the height of the building, you would say it was 1300 m high or 4100 feet high. The negative would be significant if we were asked instead "How far did the penny fall?" which would be the same answer to a slightly different question.)

4 0
3 years ago
What caused earths continents to drift apart?
miskamm [114]

Answer:

The causes of continental drift are perfectly explained by the plate tectonic theory.  plate tectonic explanation<   Plate tectonics, theory dealing with the dynamics of Earth ’s outer shell—the lithosphere —that revolutionized Earth sciences by providing a uniform context for understanding mountain-building processes

Explanation:

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5 0
3 years ago
Read 2 more answers
Can someone please help me? If somebody pushes a cart with 4N of force and the cart moves a distance of 2 meters, how much work
sergeinik [125]

Answer:

Work done, W = 8 J

Explanation:

We have,

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We need to find the work done by the cart. Work done by an object is given in terms of force and displacement. It can be given by :

W=Fd\\\\W=4\ N\times 2\ m\\\\W=8\ J

So, the work done by the cart is 8 J.

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3 years ago
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ValentinkaMS [17]
Car engine 1 pump of gas is 1 pint or quart and so on hope i helped
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3 years ago
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Luden [163]
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3 years ago
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