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3 years ago

Why does the moon orbit the earth as the earth orbits the sun?will give brainliest

1 answer:

6 0

As the Earth rotates, it also moves, or revolves, around the Sun. ... As the Earth orbits the Sun, the Moon orbits the Earth. The Moon's orbit lasts 27 1/2 days, but because the Earth keeps moving, it takes the Moon two extra days, 29 1/2, to come back to the same place in our sky.

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In the visible spectrum, red light has the lowest frequency and violet light has the highest. List the following colors in order

dalvyx [7]

The correct answer is:
B) orange, yellow, green, blue

the energy of the photons of light is directly proportional to the frequency of the light. This means that the lower the frequency, the lower the energy, and the higher the frequency, the greater the energy.

Therefore, the order in increasing energy is exactly the same as the order in increasing frequency, which is:

orange, yellow, green, blue

6 0

3 years ago

Read 2 more answers

A rocket car on a horizontal rail has an initial mass of 2500 kg and an additional fuel mass of 1000 kg. At time t0 the rocket m

slamgirl [31]

Answer: Acceleration of the car at time = 10 sec is 108 $m/s^{2}$ and velocity of the car at time t = 10 sec is 918.34 m/s.

Explanation:

The expression used will be as follows.

$M\frac{dv}{dt} = u\frac{dM}{dt}$

$\int_{t_{o}}^{t_{f}} \frac{dv}{dt} dt = u\int_{t_{o}}^{t_{f}} \frac{1}{M} \frac{dM}{dt} dt$

= $u\int_{M_{o}}^{M_{f}} \frac{dM}{M}$

$v_{f} - v_{o} = u ln \frac{M_{f}}{M_{o}}$

$v_{o} = 0$

As, $v_{f} = u ln (\frac{M_{f}}{M_{o}})$

u = -2900 m/s

$M_{f} = M_{o} - m \times t_{f}$

= $2500 kg + 1000 kg - 95 kg \times t_{f}s$

= $(3500 - 95t_{f})s$

$v_{f} = -2900 ln(\frac{3500 - 95 t_{f}}{3500}) m/s$

Also, we know that

a = $\frac{dv_{f}}{dt_{f}} = \frac{u}{M} \frac{dM}{dt}$

= $\frac{u}{3500 - 95 t} \times (-95) m/s^{2}$

= $\frac{95 \times 2900}{3500 - 95t} m/s^{2}$

At t = 10 sec,

$v_{f}$ = 918.34 m/s

and, a = 108 $m/s^{2}$

3 0

3 years ago

URGENTTT PLEASE HELP

mel-nik [20]

This doesn’t make any sense

3 0

2 years ago

The negatively charged student touches a metal tap and receives am electric shock. Explain why.

svetlana [45]

Answer:

The potential difference between the student and the tap causes electrons to transfer to the tap which is earthed.

Hope this helps my sis and others

-Amelia

8 0

3 years ago

Read 2 more answers

A block has a volume of 0.09 m3 and a density of 4,000 kg/m3. What's the force of gravity acting on the block in water?

NeX [460]

If one m³ of that material holds 4,000 kg of it,
then 0.09 m³ holds

(0.09) x (4,000) = 360 kg of it

The force of gravity acting on 360 kg of anything
on the Earth's surface is

(mass) x (gravity)

= (360 kg) x (9.8 m/s²) = 3,528

5 0

3 years ago

Why does the moon orbit the earth as the earth orbits the sun?will give brainliest​

Why does the moon orbit the earth as the earth orbits the sun?will give brainliest