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bazaltina [42]
3 years ago
10

Two satellites are in orbit around a planet. Satellite Sį two two satellite are in orbit around a planet. Satellite S1 takes 20

days to orbit the planet at
a distance of (2.0 x 10^5 km) from the center of the planet. Satellite S2 takes 160 days to
orbit the planet. What is the distance of satellite S2 from the center of the planet?
Physics
1 answer:
Andreas93 [3]3 years ago
7 0

Answer:

8.0 x 10^-5 km

Explanation:

T1 = 20 days, r1 = 2.0 x 10^-5 km

T2 = 160 days, find r2.

By Kepler's 3-rd law, T^2 is proportional to r^3, so

T1^2/r1^3 = T2^2/r2^3

so r2 = r1*(T2/T1)^(2/3) = 2.0 x 10^-5 * (160/20)^(2/3) = 8.0 x 10^-5 km

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eimsori [14]

Answer:

The speed of the wave remains the same

Explanation:

Since the speed of the wave v = √(T/μ) where T is the tension in the string and μ is the linear density of the string.

We observed that the speed, v is independent of the frequency of the  wave in the string. So, increasing the frequency of the wave has no effect on the speed of the wave in the string, since the speed of the wave in the string is only dependent on the properties of the string.

<u>So, If you increase the frequency of oscillations, the speed of the wave remains the same.</u>

4 0
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An object is placed 10 cm from a convex lens of focal length 20 cm. What is the lateral magnification of the object?.
Airida [17]

Answer:Solution

verified

Verified by Toppr

Given:u=−10cm               f=20cm        (convex lens)

To find: v and image's nature.

Solution: From lens formula

v

1

​

−

u

1

​

=

f

1

​

v

1

​

+

10

1

​

=

20

1

​

Explanation:

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2 years ago
1 Diagram 1 shows an experiment to prove the existence
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Answer:

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Some thing that is done physically like with a persons hands and such
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if you wanted to increase the energy of a wave but you had to leave the wavelength the same what might you do ​
Blizzard [7]

Answer:

Increase the amplitude

Explanation:

The energy conveyed by a wave is directly proportional to the square of its amplitude. Thus; E ∝ A²

This means that increasing the amplitude will lead to an increase in the energy.

Now, the amplitude of a wave is the height of a wave from it's highest point known as the peak, to the lowest point on the wave known as the trough whereas wavelength refers to the length of a wave from one peak to the next.

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