Which describes the changes in visible light moving from red to violet?

Answers

Answer 1

Answer:
As you move from red to violet, the wavelength of the light waves
gets shorter, and the frequency gets higher. Also, each photon
carries more energy as you move in that direction. One photon
of violet light carries roughly twice as much energy as one photon
of red light does.

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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.

Learn more about atmosphere

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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.

Calculate the speed of the ball, vo in m/s, just after the launch. A bowling ball of mass m = 1.5 kg is launched from a spring compressed by a distance d = 0.21 m at an angle of θ = 32° measured from the horizontal. It is observed that the ball reaches a maximum height of h = 4.4 m, measured from the initial position of the ball. Let the gravitational potential energy be zero at the initial height of the bowling ball.

Answers

Answer:

$v_0=17.3m/s$

Explanation:

In this problem we have three important moments; the instant in which the ball is released (1), the instant in which the ball starts to fly freely (2) and the instant in which has its maximum height (3). From the conservation of mechanical energy, the total energy in each moment has to be the same. In (1), it is only elastic potential energy; in (2) and (3) are both gravitational potential energy and kinetic energy. Writing this and substituting by known values, we obtain:

$E_1=E_2=E_3\n\nU_e_1=U_g_2+K_2=U_g_3+K_3\n\n(1)/(2)kd^2=mg(d\sin\theta)+(1)/(2)mv_0^2=mgh+(1)/(2)m(v_0\cos\theta)^2$

Since we only care about the velocity $v_0$ , we can keep only the second and third parts of the equation and solve:

$mgd\sin\theta+(1)/(2)mv_0^2=mgh+(1)/(2)mv_0^2\cos^2\theta\n\n(1)/(2)mv_0^2(1-\cos^2\theta)=mg(h-d\sin\theta)\n\nv_0=\sqrt{(2g(h-d\sin\theta))/(1-\cos^2\theta)}\n\nv_0=\sqrt{(2(9.8m/s^2)(4.4m-(0.21m)\sin32\°))/(1-\cos^232\°)}\n\nv_0=17.3m/s$

So, the speed of the ball just after the launch is 17.3m/s.

Solve for r

F= k (m1m2/r^2)

Answers

$F= k ( m _(1)m _(2))/(r^2) \n \n r\neq 0\n \n r^2F =k\cdot m _(1)m _(2) / :F \n \nr^2= (k\cdot m _(1)m _(2) )/(F)\n \nr = \sqrt{(k\cdot m _(1)m _(2) )/(F)}$

Please help ACTUALLY ANSWER i dont understand CER writing?this is an example:

Claim: cookies are good because they are good
evidence : ¨cookies have 1 billion protien¨- the new york times
reasoning: (what would i put here???)
PLEASE HELP AND ACTUALLUY ANSWER

Answers

Well cer does stand for claim, evidence and reasoning and for reasoning I usually put bs there so, for example

Claim: Cookies are good because they have a lot of protein

Evidence: “Cookies have 1 billion protein.” - New York Times

Reasoning: I chose this because it specifically backs up my claim. Not only do cookies have 1 billion grams of protein they also are very delicious to eat.

When the temperature of a gas in a balloon is reduced by half, the average kinetic energy of the particles isa. reduced by half.
b. reduced by one-quarter.
c. increased by half.
d. increased by one-quarter.

Answers

according to KE = (3/2)kT

reducing temperature, in KELVIN, by half, average KE is reduced by half.

Which statement is true about the energy of electromagnetic radiation? A.the frequency of the emmited radiation is inversely proportional to its energy. B.the frequency of the emitted radiation is directly proportional to its energy C.the wavelength of the emitted radiation is directly proportional to its energy. D.the amplitude of the emitted radiation is inversely proportional to its energy.

Answers

The frequency of the emitted radiation is directly proportional to its energy

Answer: Option (B) is the correct answer.

Explanation:

The radiation in which waves of electromagnetic field travel or propagate through the space and carries electromagnetic radient energy is known as electromagnetic radiation.

The relation between energy and frequency is as follows.

$E = h \nu$ ............ (1)