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Fittoniya [83]
4 years ago
10

What is concave mirror​

Physics
1 answer:
Licemer1 [7]4 years ago
8 0

Answer:

A curved mirror is a mirror with a curved reflecting surface. The surface may be either convex or concave. Most curved mirrors have surfaces that are shaped like part of a sphere, but other shapes are sometimes used in optical devices.

Explanation:

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The Earth is a small, rocky planet. It is known as one of the terrestrial planets.
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Answer:

D Venus

rest all are gas giants

Explanation:

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3 years ago
What is best for a scientist to base a hypothesis
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It’s best to help a scientist base a hypothesis off questions
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If you swing an object slowly, it may rotate at less than one revolution per second. What would be the revolutions per second fo
igomit [66]

Answer:

0.2 revolution per second

Explanation:

If the object makes 1 revolution in every 5 seconds, then for each second, it would make an amount of a revolution divided by 5, or 0.2 revolution. This is less than one revolution per second because you are spinning slowly and it takes more than 1 second to complete 1 revolution

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3 years ago
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What is culture, and how does Pattanaik explain that “my world” is always better than “your world”?
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<span>PATTANAIK: Their world is objective, logical, universal, factual, scientific. My world is subjective. It's emotional. It's personal. It's perceptions, thoughts, feelings, dreams. It is the belief system that we carry. It's the myths that we live in. Their world tells us how the world functions, how the sun rises, how we are born. My world tells us why the sun rises, why we were born.</span>
3 0
3 years ago
Astronauts on a distant planet set up a simple pendulum of length 1.20 m. The pendulum executes simple harmonic motion and makes
Ray Of Light [21]

Answer:

Magnitude of the acceleration due to gravity on the planet = 2.34 m/s²

Explanation:

Time period of simple pendulum is given by

         T=2\pi\sqrt{\frac{l}{g}}, l is the length of pendulum, g is acceleration due to gravity value.

We can solve acceleration due to gravity as

            g=\frac{4\pi^2l}{T^2}

Here

  Length of pendulum = 1.20 m

  Pendulum executes simple harmonic motion and makes 100 complete oscillations in 450 s.

  Period, T=\frac{450}{100}=4.5s

Substituting

         g=\frac{4\pi^2\times 1.2}{4.5^2}=2.34m/s^2

Magnitude of the acceleration due to gravity on the planet = 2.34 m/s²

4 0
4 years ago
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