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iris [78.8K]
3 years ago
10

Frost wedging occurs when water seeps into a crack in a rock, freezes, and causes the crack in the rock to widen.

Physics
1 answer:
Ilia_Sergeevich [38]3 years ago
3 0

Answer:

the answer is true.

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An airplane flies 1350km in 2 1/4 hours. What is its average speed in kilometers per hour?
Brut [27]
600km since it would be 1350 divided by 2.25
8 0
3 years ago
A standard baseball has a circumference of approximately 23 cm. if a baseball had the same mass per unit volume (see tables in s
OleMash [197]

In order to determine the mass of a standard baseball if it had the same density (mass per unit volume) as a proton or neutron, we first determine the volume of the baseball. The formula to be used is V_sphere = (4/3)*pi*r^3. In this case, the radius r can be obtained from the circumference C, C = 2*pi*r. After plugging in C = 23 cm to the equation, we get r = 3.6066 cm. The volume of the baseball is then equal to 205.4625 cm^3.

Next, take note of these necessary information:

Mass of a neutron/proton = 10^-27 kg

Diameter of a neutron/proton = 10^-15 m

Radius of a neutron/proton = [(10^-15)/2]*100 = 5x10^-14 cm

<span>Thus, the density, M/V of the neutron/proton is equal to 1.9099x10^12 kg/cm^3. Finally, the mass of the baseball if it was a neutron/proton can be determined by multiplying the density of the neutron/proton with the volume of the baseball. The final answer is then a large value of 3.9241x10^14 kg.</span>
8 0
3 years ago
Read 2 more answers
The inhabitants of a planet in another galaxy have their eyes at the exact center of their 4.0-m-long bodies. How long must a pl
kicyunya [14]

Answer:

The correct answer will be "2 m".

Explanation:

As we know,

⇒  \frac{Mirror's \ size}{Body's \ height} =\frac{1}{2}

Now,

⇒  Size \ of \ a \ mirror = \frac{n}{2}

Then,

⇒  Size \ of \ mirror = \frac{4}{2}

⇒                            =2 \  meter

7 0
3 years ago
The majority of early psychological research reflected the
Feliz [49]

Answer:

C

Explanation:

5 0
3 years ago
What is the average speed of a human that runs a distance of 5 miles in 1 hour?
SCORPION-xisa [38]
It would be 5 mph. Hope it helps! :)
5 0
3 years ago
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