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Bess [88]
3 years ago
13

When waves travel through water, why do the moving water particles continue to return to their starting position?

Physics
1 answer:
Marizza181 [45]3 years ago
7 0

Answer:

Waves transfer energy, not matter

Explanation:

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One of the reasons you love your home is because every side of your home faces South. One day, while talking on the phone, you h
ExtremeBDS [4]

The bear is white in color because it is a polar bear.

<h3>What are the color of bears?</h3>

Bears are very large carnivorous animals found around the cold regions of the Arctic or North Pole.

The color of bears, may be brown, black or white depending on how far North the bears are found.

Bears found close to the Arctic or North pole are white polar bears.

Based on the description of the house, every side of the home faces South meaning that the individual lives in the North pole.

Therefore, the color of the bear will be white.

in conclusion, polar bears are white in color.

Learn more about polar bears at: brainly.com/question/21618662

#SPJ1

8 0
1 year ago
What would happen to Earth if it stopped in its orbit around the sun?
erica [24]
It would crash into the sun
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3 years ago
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A proton, moving with a velocity of vii⁄, collides elastically with another proton that is initially at rest. Assuming that the
KATRIN_1 [288]

Answer:

Explanation:

Given that,

Mass of proton

Mp=m=1.627×10^-27kg

One of the proton is at rest then it velocity is 0

Let the other proton be moving at vi

Since the after collision the two proton moves together with the same velocity(i.e inelastic collision)

Then, using conservation of energy

Kinetic energy before collision = kinetic energy after collision

Given that, K.E=½mv²

Before collision = after collision

½mvi²+½m(0)²=½(m+m)vf²

½mvi²=½(2m)vf²

½mvi²=mvf²

Divide through by m

½vi²=vf²

vi²=2vf²

Take square root of both sides

√vi²=√(2vf²).

vi=√2 ×vf

Then, the final velocity is

vf = vi /√2

b. Direction of the velocity vectors after collision

Let vf1 be the final velocity for the incident proton

vf2 be the final velocity for the proton initially at rest.

Conserving momentum in the ˆj direction

Piy = 0 = Pfy = mp•vf1y +mp•vf2y

vf1y = −vf2y

So the protons have equal magnitude speeds in the ˆj direction. Because the speed of the particles are equal, the magnitude of their speeds in the ˆi direction should also be equal |vf1x| = |vf2x|.

Conserving momentum in the ˆi direction.

Pix = mp•vi = Pfx = mp•vf1x +mp•vf2x = 2mp•vfx

Then, vfx =vi/2

Using the Pythagorean theorem to solve for the magnitude of vfy

vf²=vi²/2= vfx² +vfy² =vi²/4+vfy²

vfy = vi√(½-¼)=vi/2=vfx

So because the ˆi and ˆj components of vf are the same, both protons are deflected away at an angle of θ = 45° from the ˆi direction, with opposite ˆj components (so the angle between vf1 and vf2 is 90°).

3 0
3 years ago
Suppose a 10 mL beaker and a 100 mL beaker are both filled with water, and that the water in both beakers is the same temperatur
Doss [256]

The correct choice is

b. the larger beaker of water contains more heat than the smaller beaker

Reason :

Heat is given as

Q = m c T

where Q = heat contained

m = mass of water

c = specific heat of water

T = change in temperature.

since the specific heat and temperature is same for both the beakers, we need to look at which beaker contains more amount of water. the larger beaker has more mass of water, hence heat contained in the larger beaker is greater.

7 0
3 years ago
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A child and sled with a combined mass of 57.0 kg slide down a frictionless slope. If the sled starts from rest and has a speed o
Zina [86]

Answer:

The height of the hill is 29.3 cm.

Explanation:

Given that,

The combined mass of a child and sled, m = 57 kg

Initial speed of the sled, u = 0

Speed at the bottom of the sled, v = 2.4 m/s

We need to find the height of the hill. The energy at the bottom and the top will remains the same due to the law of conservation of energy. So,

mgh=\dfrac{1}{2}mv^2\\\\gh=\dfrac{1}{2}v^2\\\\h=\dfrac{v^2}{2g}\\\\h=\dfrac{(2.4)^2}{2\times 9.8}\\\\h=0.293\ m\\\\h=29.3\ cm

So, the height of the hill is 29.3 cm. Hence, this is the required solution.

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3 years ago
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