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Colt1911 [192]
2 years ago
8

PLEASE HELLLLLLLLLLLLPPPPPPPPPP!!!!!! I will give brainliest

Physics
2 answers:
alexandr1967 [171]2 years ago
4 0

Answer:

its C. The north pole of one magnet attracts the south pole of another

Explanation:

I JUST TOOK THE TEST

Burka [1]2 years ago
3 0

Answer:

c.

Explanation:

A compass needle points north because the north pole of the magnet inside it is attracted to the south pole of Earth's built-in magnet. Now if the needle in your compass is pointing north, that means it's being attracted (pulled toward) something near Earth's north pole.

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I will Give Brainliest To whoever actually answers A 500 kg satellite experiences a gravitational force of 3000 N, while moving
snow_lady [41]

Answer:

9.7\times 10^{-4}\ rad/s

Explanation:

Given:

m=500 kg\\F=3000 N

Radius of earth , R=6371 \times 10^3\ m\\Angular speed =\omega\\We\  know\  that\ \\F= m\times \omega^{2} \times R\\\omega^{2}=\frac{F}{m*R} \\\\=\frac{3000}{500*6371 \times 10^3\ m}

=\frac{6}{6371 \times 10^3\ m}

=9.7\times 10^{-4}\ rad/s

7 0
3 years ago
Which best describes the surface of a concave mirror? It is flat. It is textured. It curves outward. It curves inward.
Sonja [21]

The concave mirror is a spherical-shaped mirror that has an inner curved surface. Hence, option (4) is correct.

What is a concave mirror?

The concave mirrors are spherical-shaped mirrors that are painted on the outward surface. It is also known as the converging mirror, having the recessed inner reflecting surface.

  • The concave mirrors are generally used for the purpose to focus the light. For that, they might have a reflecting surface, curved inwards, and the reflection of light is limited to the single focal point.
  • The reflecting surface of the concave mirror has its vertex or midpoint lying farther away from the objects than the edges.

Thus, we can conclude that the surface of the concave mirror is curved inward. Hence, option (4) is correct.

Learn more about the concave mirror here:

brainly.com/question/13300307

8 0
2 years ago
The distance between earth and mars is 51 G meters. What is the minimum RTT for a link between Earth and Mars if speed of light
beks73 [17]

Answer:

340 seconds = 5.667 minutes

Explanation:

As we know, S = v t or t = S / v (S = 51 x 10^9 m and v = 3 x 10^8 ms^-1)

So, t = 51 x 10^9 / 3 x 10^8 = 17 x 10^1 = 170 s

For a RTT estimation, the time span will be doubled of one way propagation for transmission and receive delay.

The over all round trip time will be = 170 x 2 = 340 seconds = 5.667 minutes

4 0
3 years ago
An astronaut is stationary in space. Which of these would have the greatest speed as observed by the astronaut?
yaroslaw [1]
Hello!

The answer that makes most sense to me is option A.

~ Hope I helped! ~
7 0
3 years ago
Read 2 more answers
If you are in a car and your sibling is driving in the same car next to you at the same speed, does your brother appear to be mo
VLD [36.1K]

Answer:

yes, because you guy's are moving in a car. because if you think about it, your parents are driving, but the cars moving so basically you guys would be moving.

please mark as brainly

7 0
2 years ago
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