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Juli2301 [7.4K]
3 years ago
12

What makes up 70% of the earth's total volume, as is relates to the earth's structure?

Physics
1 answer:
7nadin3 [17]3 years ago
3 0
The appropriate response is the mantle. The thick center layer in the strong piece of Earth. This makes up 70% of the Earth's aggregate volume. It is a layer inside an earthly planet and some other rough planetary bodies. For a mantle to shape, the planetary body must be sufficiently huge to have experienced the procedure of planetary separation by thickness.
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a car traveling at a velocity of 2 m/s undergoes an acceleration of 4.5 m/s^2 over a distance of 340 m. How fast will it be goin
ra1l [238]
Vi = 2m/s
a= 4.5 m/s 
d= 340 m
vf= ?

use this equation ...  vf^2=vi<span>^2+2ad

you should get vf = 55.3
hope this helps </span>
3 0
3 years ago
Which vector best represents the force that could act concurrently with force A to produce force B
viva [34]
Chose answer 2

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8 0
3 years ago
At the 1 s mark, which objects have equal momentum?
Rudik [331]
C. The bowling ball and the bicycle

p = mv
P of bike = 12x5 = 60
P of rock = 2x20 = 40
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3 0
3 years ago
Light travels at 3. 0 × 108 m/s in a vacuum and slows to 2. 0 × 108 m/s in glass. What is the index of refraction of glass?.
Sergio039 [100]

The required value of the index of refraction of glass is 1.5.

Given data:

The speed of light in a vacuum is, c = 3.0 \times 10^{8} \;\rm m/s.

The speed of light in a glass is, v = 2.0 \times 10^{8} \;\rm m/s.

Light has the tendency to travel from one medium to another, then the difference between the speeds of light in various mediums is determined by a term, known as the index of refraction. The mathematical expression for the index of refraction of glass is,

n = c / v

Solving as

n = \dfrac{3.0 \times 10^{8}}{2.0 \times 10^{8}}\\\\n = 1.5

Thus, we can conclude that the required value of the index of refraction of glass is 1.5.

Learn more about the index of refraction here:

brainly.com/question/17156275

5 0
2 years ago
If a gun is sighted to hit targets that are at the same height as the gun and 85 m away at the same height, how low, as a positi
Alex

If a gun is sighted to hit targets that are at the same height as the gun and 85 m away at the same height, how low, as a positive number in meters, will the bullet hit if aimed directly at a target 180 m away

The muzzle velocity of the bullet is 275 m/s

Answer:

y = -1.1109 m

Explanation:

Range = \frac{v^2sin2\theta}{g}

range = 85 m

velocity = 275 m/s

g = 9.8 m/s²

85 = \frac{(275)^2sin2 \theta}{9.8}

833=(275)^2sin2\theta

833= 75625sin2\theta

0.01101 =sin2 \theta

0.005505 =sin \theta

\theta =sin^{-1}(0.005505)

\theta = 0.3154^0

If the bullet is aimed at a target 180 m, time required to travel 180 m with horizontal component will be;

t=\frac{180}{275cos0.3154}

t = 0.6546 sec

To determine, how low as a positive number in meters.

y=vyt-\frac{gt^2}{2}

y = 275 sin(0.3154)*(0.6546)- \frac{9.8*(0.6546)^2}{2}

y = 0.9909 - 2.1018

y = -1.1109 m

7 0
3 years ago
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