How high does the atmosphere extend from the earth
Answers
The atmosphere extend from the Earth up to 10,000 km.
What is atmosphere?
An atmosphere is the layers of gases surrounding a planet Earth. It's atmosphere is composed of about 78% nitrogen, 21% oxygen, and other gases.
Earth's atmosphere has five major layers. From lowest to highest, the layers are the troposphere, stratosphere, mesosphere, thermosphere and exosphere.
The exosphere is the topmost layer of Earth's atmosphere . It extends from the end of thermosphere, about 700 km above sea level, to about 10,000 km.
Thus, the atmosphere extend from the Earth up to 10,000 km.
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The exosphere is the outermost layer of Earth's atmosphere (i.e. the upper limit of the atmosphere). It extends from the exobase, which is located at the top of the thermosphere at an altitude of about 700 km above sea level, to about 10,000 km (6,200 mi; 33,000,000 ft) where it merges into the solar wind.
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Calculate the average speed (in km/hr) of Charlie who runs to the store 4 km away in 30 mins
Answers
ek = (1/2)*45000*(260*1000/3600)^2 = 117.36 x 10^6 J
from the definition of magnetic force we have:
F = Bqv
where F is the force, B is the magnetic field, q is the charge of the body, v i s velocity of the body.
The aircraft is going through a circular motion with radius equal to the radius of the earth plus the aircraft altitude, lets call all that radious r, therefore the aircraft feels a centripetal force:
F = mv^2/r
hence we can equal the magnetic and centripetal force:
Bqv = mv^2/r
we can solve for the magnetic field:
B = mv/rq
hence the intensity of the strength of the magnetic field is expressed in terms of the amount of charge q contained in the aircraft and the total radius of the circular motion.
B = (45000)(260*1000/3600)/rq
B = (1/rq) * (3.25 x 10^6) Teslas
Answers
Answers
Answer:
vB = 15.4 m/s
Explanation:
Principle of conservation of energy:
Because there is no friction the mechanical energy is conserve
ΔE = 0
ΔE : mechanical energy change (J)
K : Kinetic energy (J)
U: Potential energy (J)
K = (1/2)mv²
U = m*g*h
Where :
m: mass (kg)
v : speed (m/s)
h : hight (m)
Ef - Ei = 0
(K+U)final - (K+U)initial =0
(K+U)final = (K+U)initial
((1/2)mv²+m*g*h)final = ((1/2)mv²+m*g*h)initial , We divided by m both sides of the equation:
((1/2)vB² + g*hB = (1/2 )vA²+ g*hA
(1/2) (vB)² + (9.8)*(14.7) = 0 + (9.8)(26.8 )
(1/2) (vB)² = (9.8)(26.8 ) - (9.8)*(14.7)
(vB)² = (2)(9.8)(26.8 - 14.7)
(vB)² = 237.16
vB = 15.4 m/s : speed of the cart at B
Answer:
the guy above me is correct
Explanation:
b. Gravitational and magnetic forces are the most alike because they are both types of charges that occur in nature.
c. Nuclear and magnetic forces are the most alike because they are both related to mass and weight.
d. Strong nuclear force is most like electric because they are both related to distance.
Answers
Answer:
d) strong nuclear force is most like electric because they are both realted to distance.
Explanation:
btw good luck with 01.08 Motion Module Exam for Physical Science.
Did dinosaurs and humans ever exist at the same time?
What is Darwin's theory of the origin of species?
Why is the sky blue?
What causes a rainbow?
Why does a year consist of 365 days and a day of 24 hours?
Answers
Your answer for question 1: About 71 percent of the earth's surface is covered by water.
For Question 2: Did dinosaurs and humans ever exist at the same time?
Your answer for question 2: No. Dinosaurs went extinct at the end of theCretaceous period, 65 million years ago. Modern humans did not appearuntil around 200,000 years ago.
For question 3: What is Darwin's theory of the origin of species?
Your answer for question 3: Darwin's theory of species origination says thatnatural selection chooses organisms that possess variable and heritabletraits and that are best suited for their environments.
For question 4: Why is the sky blue?
Your answer for question 4:
Solar radiation sunlight is scattered across theatmosphere by a process called diffused sky radiation. The sky is bluebecause much more short-wave radiation, blue light, is scatteredacross the sky than long-wave radiation, red light.
For question 5: What causes a rainbow?
Your answer for question 5: Rainbows can be seen when there are water droplets in theair and the sun is shining. Sunlight, which contains all colors, isrefracted, or bent, off the droplets at different angles, splittinginto its different colors of red, orange, yellow, green, blue, indigoand violet.
For question 6: Why does a year consist of 365 days and a day of 24 hours?
Your answer for question 6: A year, 365 days, is the time it takes for the Earth totravel around the Sun. A day, 24 hours, is the time it takes for theEarth to spin around once on its axis.
Hope all of this helps you today
Answers
to the direction of motion does work.