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horsena [70]
2 years ago
10

Which of the moon's properties prevents it from being pulled inward by Earth?

Physics
2 answers:
likoan [24]2 years ago
8 0

Answer:

O inertia

Explanation:

The moon's property that prevents it from being pulled inward by the Earth is called it's inertia.

Every object in the universal space have gravitational force of attraction to one another due to their masses.

An inertia is the reluctant of a body to move or the tendency of it to remain in constant motion.

Inertia entails the property of objects to remain at rest or continue in uniform motion.

As the force of gravity acts between the earth and the moon, inertia keeps a body in constant position.

allsm [11]2 years ago
4 0
The answer is Inertia
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A beam of protons enter the electric field of magnitude E = 0.5 N/C between a pair of parallel plates. There is a magnetic field
HACTEHA [7]

Answer:

0.217 m/s

Explanation:

The protons in the beam passes undeflected when the electric force is equal to the magnetic force:

qE = qvB

where

q is the proton's charge

E is the magnitude of the electric field

v is the speed of the protons

B is the magnitude of the magnetic field

Re-arranging the equation,

v=\frac{E}{B}

And by substituting

E = 0.5 N/C

B = 2.3 T

We find

v=\frac{0.5}{2.3}=0.217 m/s

3 0
3 years ago
An L-R-C series circuit, R = 160 Ω , L = 0.790 H , and C = 1.30×10−2 μF . The source has a voltage amplitude of 140 V and a freq
wolverine [178]

Answer: a) 1 b) 61 W c) 61 W

Explanation:

a) The  Power Factor (also known as cos φ), is defined by the difference in phase between current and voltage, in a RLC series circuit, and is expressed as follows:

cos φ = R / Z = R / \sqrt{(R)^{2} + (Xl -Xc)^{2} }

In resonance, XL =XC, so the circuit behaves like it were purely resistive, so Z=R.

Replacing in the expression for power factor, we have:

cos φ = R/Z = R/R = 1

This means that in resonance, current and voltage are in phase each other.

b) The average power delivered by the source, in resonance, is simply the power dissipated at the resistance R, as follows:

Pavg = V² rms / R = V₀² / √2 / R = 61 W

c) If the circuit remains in resonance, the average power , which does not depends on frequency provided this condition remains, keeps the same, i.e. , 61 W.

7 0
3 years ago
A car travels 45 km due north and 70 km west. What is the car's displacement?
Elis [28]

Answer:

A

Explanation:

7 0
3 years ago
How does energy from an earthquake reach each surface? Describe the three types of seismic waves.
WITCHER [35]
Body waves travel through the interior of the Earth. Surface waves travel across the surface. Surface waves decay more slowly with distance than body waves which travel in three dimensions. Particle motion of surface waves is larger than that of body waves, so surface waves tend to cause more damage.
https://en.m.wikipedia.org › wiki
4 0
3 years ago
What does the scientific method help test in environmental science?
Hatshy [7]

Answer:

The scientific method helps test and arrive at conclusions for a variety of hypotheses that are created when studying environmental science.

Explanation:

What is the scientific method in environmental science?

The scientific method is a method of research with defined steps that include experiments and careful observation. One of the most important aspects of this method is the testing of hypotheses by means of repeatable experiments. A hypothesis is a suggested explanation for an event, which can be tested.

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2 years ago
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