3 years ago

Explain and reason why the the moon rotates around the earth every lunar cycle

1 answer:

7 0

Gravity created an earth-side bulge in the moon, slowing down this rotation in the past to create the synchronous rotation and keeping the longer lunar access toward our world.

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What can you conclude about plastic and copper from the observations given above?

ipn [44]

What are the "observations above" in this question?

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3 years ago

A test charge of 0.002 C experiences a force of 0.50 N on it is placed in an electric field. Find the intensity of the electric

sveticcg [70]

Answer:

250 N/C

Explanation:

E=F/q=0,5N/0,002C=250N/C

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4 years ago

A person slaps her leg with her hand, which results in her hand coming to rest in a time interval of 2.25 ms2.25 ms from an init

Aliun [14]

Answer:

The force is 3305.6 N.

Explanation:

Final velocity, v = 0

time, t = 2.25 ms

initial velocity, u = 4.25 m/s

mass, m = 1.75 kg

Let the acceleration is a.

Use first equation of motion.

v = u + a t

0 = 4.25 + a x 0.00225

a = - 1888.9 m/s^2

The force is

F = ma

F = 1.75 x 1888.9

F = 3305.6 N

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3 years ago

What type of heat is transferred to glass casserole dish

madreJ [45]

If i thought about this properly the answer is b

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4 years ago

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A woman walks into a carpet store wearing high-heeled shoes with a circular heel of diameter 0.987 cm. To the dismay of the stor

jenyasd209 [6]

To solve this problem it is necessary to apply the concepts related to the Pressure which describes the amount of Force made on an area unit.

Its mathematical expression can be defined as

$P = \frac{F}{A}$

Where,

F= Force

A = Area

Our values are given as

$d = 0.987*10^{-2}m$

With the diameter we can find the Area of the circular heel, that is

$A = \pi (\frac{0.987*10^{-2}}{2})^2$

$A = 7.6511*10^{-5}m^2$

To find the force by weight we need to apply the Newton's second Law

$F = mg$

$F = 53*9.8$

$F = 519.4N$

Finally the pressure would be

$P = \frac{F}{A}$

$P = \frac{519.4}{7.6511*10^{-5}}$

$P = 6788566.35Pa$

$P = 6.788MPa$

Therefore the pressure that she exerts on the carpet sample is 6.788Mpa

3 0

3 years ago