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2 years ago

14

What is the missing word? Gravity keeps a satellite moving in a circle around a planet. In this case gravity is acting as a ____

______ force.

1 answer:

sweet [91]2 years ago

8 0

Explanation:

Gravity keeps a satellite moving in a circle around a planet. In this case gravity is acting as a <u>centripetal</u> force

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Es frecuente que en las instalaciones eléctricas domésticas se utilice alambre de cobre de 2.05 mm de diámetro. Determine la res

Tasya [4]

Answer:

The resistance is 0.124 ohm.

Explanation:

It is common for domestic electrical installations to use copper wire with a diameter of 2.05 mm. Determine the resistance of such a wire with a length of 24.0 m.

diameter, d = 2.05 mm

radius, r = 1.025 mm

Length, L = 24 m

resistivity of copper = 1.7 x 10^-8 ohm m

Let the resistance is R.

$R =\rho \frac{L}{A}\\\\R = \frac {1.7\times10^{-8}\times 24}{3.14\times1.025\times1.025\times 10^{-6}}\\\\R = 0.124 ohm$

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3 years ago

Tawny notices that Jim has been forgetting to check two forms of

juin [17]

I think the answer is c but I’m not sure

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2 years ago

A wave traveling in water has a frequency of 500Hz and a wavelength of 3.00 meters. What is the speed of the wave?

jenyasd209 [6]

Answer:

1500 m/s

Explanation:

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3 years ago

A rope has one end tied to a vertical support. You hold the other end so that the rope is horizontal. If you move the end of the

Strike441 [17]

Answer:

c. 2 m/s

Explanation:

The relationship between speed, frequency and wavelength of a wave is given by:

$v=f \lambda$

where

v is the speed of the wave

f is its frequency

$\lambda$ is the wavelength

For the transverse wave in this problem, we have:

$f = 4 Hz$ is the frequency

$\lambda=0.5 m$ is the wavelength

Substituting these numbers into the equation, we find the speed of the wave:

$v=(4 Hz)(0.5 m)=2 m/s$

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3 years ago

Mechanical energy is a term that is used to describe

larisa86 [58]

The sum of potential energy<span> and kinetic </span><span>energy.
Hope I helped!</span>

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3 years ago