3 years ago

What is a break in rock? Science

1 answer:

3 0

Its physical weathering and physical weathering can be sometimes called mechanical weathering it includes the processes which break rocks apart changing their chemical composition.

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Find the equation of the line below.

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2 years ago

In cats, short hair is dominant and long hair is recessive. If a cat has the genotype of hh, what type of hair will it have?

raketka [301]

Answer:

long hair

Explanation:

long hair = hh

short hair= HH

and medium= Hh

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3 years ago

A 1.5kg cart moves along a track at 0.20m/s until it hits a fixed bumper at the end of the track. Find the average force exerted

DochEvi [55]

Answer:

Net force will be 4.875 N

Explanation:

We have given mass of the cart m = 1.5 kg

Initial velocity of the cart = 0.2 m/sec

And final velocity of the car = - 0.125 m/sec ( Negative direction is due to opposite direction )

Instant of time $\Delta t=0.1sec$

Change in momentum is given by

$\Delta P=1.5\times (0.2-(-0.125))=1.5\times 0.325=0.4875kgm/sec$

Now force is given by

$F=\frac{\Delta P}{\Delta t}=\frac{0.4875}{0.1}=4.875N$

Net force will be 4.875 N

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2 years ago

What may thermal energy stores also be called?<br><br> PLEASE REALLY NEED THE HELP!

ollegr [7]

Answer:

The thermal energy is the sum of the potential energy and kinetic energy that is known to make all the particle in an object it is the energy that is responsible for its temperature heat is the flow of thermal energy thermal energy is the result of something that has some internal temperature which can be measured

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2 years ago

What is a rarefraction?

lidiya [134]

<span>diminution in the density of something, especially air or a gas.</span>

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3 years ago