3 years ago

I NEED THE ANSWER ASAP

Physics

1 answer:

Tems11 [23]3 years ago

6 0

Answer:

what the heck you're really given that much of points

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A box is moving along the x-axis and its position varies in time according to the expression:

Colt1911 [192]

Answer:

38.4 m/s

Explanation:

a) at t = 3.2s. $x = 6 * 3.2^2 = 61.44 m$

b) at t = 3.2 + Δt. $x = 6*(3.2 + \Delta t)^2$

c) As Δt approaches 0. We can find the velocity by the ratio of Δx/Δt

$v = \frac{\Delta x}{\Delta t} = \frac{x_2 - x_1}{\Delta t}$

$v = \frac{6*(3.2 + \Delta t)^2 - 61.44}{\Delta t}$

$v = \frac{6(3.2^2 + 6.4\Delta t + \Delta t^2) - 61.44}{\Delta t}$

$v = \frac{61.44 + 38.4\Delta t + \Delta t^2 - 61.44}{\Delta t}$

$v = \frac{\Delta t(38.4 + \Delta t)}{\Delta t}$

$v = 38.4 + \Delta t$

As Δt approaches 0, v = 38.4 + 0 = 38.4 m/s

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3 years ago

What is the difference between Is it resource that is limited and one that is not limited? Give an example of each

sveticcg [70]

Limited resources: resources that take a long time to replenish
Example: coal, oil, nuclear gas

Non- limited resource: resources that are constantly being replenished
Example: soil, wind, water

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3 years ago

How do darwin finches illistrate the thoery of natural selection

cricket20 [7]

As they evolved and adapted, those of the fittest survived to reproduce. Those that did not adapt, died.

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4 years ago

A Martian rover found an interesting rock that could contain signs of what Mars was like long ago. It grabbed

kodGreya [7K]

Answer:

It would be PE=16kg * 9.8 m/s^2 * 1m = 160 J

Explanation:

The person who asked this question ended up answering his own question so I'm here to let you know all that the answer was founded by the person whos posted the question himself full credit goes to him :)

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3 years ago

HELP!!!!!!

NemiM [27]

B. Gabriella is slowing down at the same rate that Kendall is speeding up, and Franklin is not accelerating.

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3 years ago

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