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3 years ago

5

If the model below represents a volcano and its relationship to the layers of the Earth, from which of the Earth's layers does t

he magma come?

1 answer:

just olya [345]3 years ago

8 0

Magma comes from the core

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A 250 kg flatcar 25 m long is moving with a speed of 3.0 m/s along horizontal frictionless rails. A 61 kg worker starts walking

Anna11 [10]

Answer:

x=31.09m

Explanation:

p1=p2

The momentum of flatcar and the momentum of the worker so

The velocity of the worker is:

$m_{f}*v_{f}=m_{w}*v_{w}\\\\v_{f}=\frac{m_{f}*v_{f}}{m_{w}}\\v_{f}=\frac{61kg*3.0\frac{m}{s}}{250kg}\\v_{f}=0.732\frac{m}{s}$

The total motion has a total velocity and is

$Vt=v_{w}+v_{f}\\Vt=0.732\frac{m}{s}+3.0\frac{m}{s}\\Vt=3.732\frac{m}{s}$

The time the worker take walking is

$t=\frac{x}{v_{w}}\\t=\frac{25m}{3\frac{m}{s}}=8.33s$

Now the total time and the total velocity determinate the motion of tha flatcar how far has moved

$x=t*Vt\\x=8.33s*3.732\frac{m}{s} \\x=31.09m$

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3 years ago

Write down two advantages of parallel combination

Simora [160]

Answer:

In parallel combination each appliance gets the full voltage.

If one appliance is switched on/of others are not affected.

The parallel circuit divide the current through the appliances.

In a parallel combination it is very easy to connect or disconnect a new appliance without affecting the working of other appliances.

pls mark me as brainlist

Explanation:

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2 years ago

The sum of two component vectors is referred to as the

blondinia [14]

Resultant is the correct answer!

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2 years ago

Necesito ayudaaaaaa por favor

natima [27]

MAnswer:

Explanation:

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3 years ago

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What foods are lipids found in, and what is their function in the body?

DENIUS [597]

Lipids are found in the sugars and starches, and are the main sources of energy in the body.

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3 years ago

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