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3 years ago

Someone help me with this ASPA!!!

Physics

2 answers:

Irina18 [472]3 years ago

5 0

A delta is formed at the mouth of a river as sediment is carried downstream

Trava [24]3 years ago

3 0

Answer: 3

Explanation: The hydrosphere interacts with the geosphere when bodies of water or rain cause land formations to erode which breaks down things like rocks.

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In a series circuit what effect will adding more resistors to the circuit have

zhuklara [117]

Answer:In a series circuit, adding more resistors increases total resistance and thus lowers current. But the opposite is true in a parallel circuit because adding more resistors in parallel creates more choices and lowers total resistance. If the same battery is connected to the resistors, current will increase.

Explanation:

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3 years ago

What is the frequency of a photon with an energy of 4.56 10-19 j?

Brrunno [24]

Give me some answer choices and i will be happy to help

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3 years ago

Read 2 more answers

A soccer ball is kicked from the top of one building with a height of H1 = 30.2 m to another building with a height of H2 = 12.0

viktelen [127]

Hi there!

Initially, we have gravitational potential energy and kinetic energy. If we set the zero-line at H2 (12.0m), then the ball at the second building only has kinetic energy.

We also know there was work done on the ball by air resistance that decreased the ball's total energy.

Let's do a summation using the equations:
$KE = \frac{1}{2}mv^2 \\\\PE = mgh$

Our initial energy consists of both kinetic and potential energy (relative to the final height of the ball)

$E_i = \frac{1}{2}mv_i^2 + mg(H_1 - H_2)$

Our final energy, since we set the zero-line to be at H2, is just kinetic energy.

$E_f = \frac{1}{2}mv_f^2$

And:
$W_A = E_i - E_f$

The work done by air resistance is equal to the difference between the initial energy and the final energy of the soccer ball.

Therefore:
$W_A = \frac{1}{2}mv_i^2 + mg(H_1 - H_2) - \frac{1}{2}mv_f^2$

Solving for the work done by air resistance:
$W_A = \frac{1}{2}(.450)(15.1^2)+ (.450)(9.8)(30.2 - 12) - \frac{1}{2}(.450)(19.89^2)$

$W_A = \boxed{42.552 J}$

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2 years ago

A satellite is sent into orbit around the Earth, In which of the following situation would the gravitational force be the greate

elixir [45]

I am not sure. I think it is D

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3 years ago

How many days are there between a new moon and Full moon

never [62]

The complete cycle of moon phases runs 29.531... day. You're describing exactly half if that ... roughly 14.77 days.

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4 years ago