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3 years ago

_reaches the Earth’s surface through , then turns into ____.

Physics

1 answer:

VikaD [51]3 years ago

4 0

Answer:

Explanation:

magma comes up from the core and comes out through volcanoes and then is turned into lava.

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3 years ago

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If the gravitational forces exist between all objects in the universe why aren't people affected by the gravitational force exer

Rama09 [41]

Answer: People are not affected by the gravitational force of cars and buildings because their masses are too small to exert a strong enough force for people to feel.

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3 years ago

In an "atom smasher," two particles collide head on at relativistic speeds. If the velocity of the first particle is 0.741c to t

USPshnik [31]

Answer:

$W_x = 0.9156\ c$

Explanation:

given,

velocity of particle 1 = 0.741 c to left

velocity of second particle = 0.543 c to right

relative velocity between the particle = ?

for the relative velocity calculation we have formula

$W_x = \dfrac{|u_x - v_x|}{1-\dfrac{u_xv_x}{c^2}}$

u_x = 0.543 c

v_x = - 0.741 c

$W_x = \dfrac{0.543 c - (-0.741 c)}{1-\dfrac{(0.543 c)(-0.741 c)}{c^2}}$

$W_x = \dfrac{0.543 c +0.741 c)}{1+\dfrac{(0.543)(0.741)c^2}{c^2}}$

$W_x = \dfrac{1.284c}{1+0.402363}$

$W_x = 0.9156\ c$

Relative velocity of the particle is $W_x = 0.9156\ c$

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3 years ago

A student builds a rocket-propelled cart for a science project. Its acceleration is not quite high enough to win a prize, so he

irina [24]

Answer:

Explanation:

a = F / m

where a is acceleration , F is thrust and m is mass

taking log and differentiating

da / a = dF / F - dm / m

(da / a)x 100 = (dF / F)x100 - (dm / m) x100

percentage increase in a = percentage increase in F - percentage increase in m

= percentage increase in acceleration a = 39 - 13 = 26 %

required increase = 26 %.

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3 years ago

What factors in Earth's relationship to the Sun make life on Earth possible?

Mila [183]

The answer is B.

The planet cannot be too hot or too cold it has to be the right distance from its sun to maintain life.

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3 years ago

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_____reaches the Earth’s surface through ______, then turns into ______.

_reaches the Earth’s surface through , then turns into ____.