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user100 [1]
2 years ago
11

True or false? rocks have organic materials and fossil remains in them

Physics
1 answer:
Elina [12.6K]2 years ago
3 0

Answer:

trueeeee

Explanation:

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What is the animal behavior where organisms imitate another organism or environment in some way?
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Mimicry. This is when oraganisms imitate another oraganism whether it be physical or behavoioral.

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An 8-kg mass is in free fall. What is the velocity of the mass after 9 seconds
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An atom of sodium has a larger mass than an atom of neon. How is this possible when neon has so many more valence electrons?
jeka94

The electrons contribute just about zero to the mass of an atom.
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Why does a properly adjusted head restraint help prevent head and neck injuries to occupants in rear-end collisions? Explain you
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When a car hits you in a rear end collision, the car initially has a momentum going in one direction. This causes your car to move in the same direction that car was moving even if you were at rest. So, for conservation of momentum, you initially have momentum going in the east direction for example, after the collision, you will have a change in momentum which causes you to have a velocity in the west direction. This is because you are initially at rest and then there is a sudden change in velocity so when you speed up, that momentum causes you to move backwards. If you don't have a properly adjusted neckrest you could may experience whiplash.
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3 years ago
A cylinder of radius R and height H is floating upright in
emmainna [20.7K]

Answer:

Pressure difference between Top and Bottom of the cylinder is given as

\Delta P = \frac{gH}{2}(\rho_A + \rho_B)

Explanation:

As we know that the force due to pressure is balanced by the weight of the cylinder

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\Delta P \pi R^2 = \pi R^2(\rho_A(\frac{H}{2}) + \rho_B(\frac{H}{2}))g

so we have

\Delta P = \frac{gH}{2}(\rho_A + \rho_B)

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