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Vaselesa [24]
2 years ago
6

Help pleaseeeeeeeeeeeeee

Physics
1 answer:
77julia77 [94]2 years ago
8 0

Answer:

hello the answer is 47m/s

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Select the statement that best describes how the forces relate. (2 points)
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"D. Magnetic and electrical forces are similar because they are both related to the interactions between charged particles" best describes how the forces relate.
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What do the four terrestrial planets and the four gas giant planets have in common?
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They all have the same aphelion distances
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____ is undeniably accepted by scientists all over the world as the primary language of science.
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Latin

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At a dock, a crane lifts a 2009 kg container 20 m, swings it out over the deck of a freighter, and lowers the container into the
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A bullet is fired straight up from a gun with a
melamori03 [73]

Answer: 815.51 m

Explanation:

This situation is related to projectile motion or parabolic motion, in which the initial velocity of the bullet has only y-component, since it was fired straight up. In addition, we are dealing with constant acceleration (due gravity), therefore the following equations will be useful to solve this problem:

V=V_{o}+gt (1)

V^{2}=V_{o}^{2}+2gy (2)

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t=6.9 s is the time

y is the vertical position of the bullet at t=6.9 s

Let's begin by finding V from (1):

V=152 m/s-9.8 m/s^{2}(6.9 s) (3)

V=84.38 m/s (4)

Now we have to substitute (4) in (2):

(84.38 m/s)^{2}=(152 m/s)^{2}-2(9.8 m/s^{2})y (5)

Isolating y:

y=815.511 m This is the displacement  of the bullet after 6.9 s

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