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Margarita [4]
4 years ago
7

Bands of waves in the electromagnetic spectrum are arranged in order of

Physics
1 answer:
OLEGan [10]4 years ago
8 0
Bands of waves in the electromagnetic spectrum are arranged in order of <span>frequency and wavelength. The answer is letter A. The rest of the choices do not answer the question above.</span>
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An instrument that can detect the presence of an electric charge is a
vodka [1.7K]
Electroscope is the instrument that has the ability to detect the presence of an electric charge. Although electroscope has the power to measure the amount of charge, but for a perfect measurement the electrometer is used. Around the year 1600, electroscope was discovered by William Gilbert he British physician. This is a pretty primitive but highly effective instrument in regards to detecting the presence of electric charges. Two basic but effective electroscopes are the gold-leaf electroscope and the pith-ball electroscope.
5 0
4 years ago
What is the escape velocity from a planet with a mass that is 10.8% Earths mass and a size that is 53% Earths radial size?
DENIUS [597]

The escape velocity from the planet is 5052 m/s

Explanation:

The formula to calculate the escape velocity from a planet is:

v=\sqrt{\frac{2GM}{R}}

where

G=6.67\cdot 10^{-11} m^3 kg^{-1}s^{-2} is the gravitational constant

M is the mass of the planet

R is the radius of the planet

For Earth,

M_E=5.98\cdot 10^{24} kg is the mass

R_E=6.37\cdot 10^6 m is the radius

Here we have a planet that:

- its mass is 10.8% of that of Earth, so

M=0.108M_E

- its radius is 53% of that of Earth, so

R=0.53 R_E

Substituting everything into the first equation, we find the escape velocity from this planet:

v=\sqrt{\frac{2G(0.108M_E)}{0.53R_E}}=\sqrt{\frac{2(6.67\cdot 10^{-11})(0.108)(5.98\cdot 10^{24})}{(0.53)(6.37\cdot 10^6)}}=5052 m/s

#LearnwithBrainly

4 0
3 years ago
Which best compares the gravitational force and the strong force ?
Elan Coil [88]
<span>The heavier the body is, the stronger its gravitational pull. Example, the Milky Way Galaxy has a gravitational pull because of the heavenly bodies such as stars and planets are surrounding it. A strong force is exerted if the mass of another body is bigger than the other body.</span>
8 0
3 years ago
Read 2 more answers
A ball rolls across a smooth surface at a steady 0.5 m/s. What is its acceleration? m/s^2?
kirza4 [7]

Answer:

0m/s²

Explanation:

The acceleration of the given body whose motion has been described will be zero.

This is because the body moves with a constant velocity.

Acceleration is defined as the rate of change of velocity with time.

Since in this problem, the velocity is not changing per time, then the acceleration would be zero.

A body moving steadily implies that such body is not changing its motion by the virtue of its velocity and even direction.

3 0
3 years ago
Energy that does not involve the large-scale motion or position of objects in a system is called:
Artemon [7]
This type of energy is called non mechanical energy so the answer is C
8 0
3 years ago
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