3 years ago

Give an example of how the apparent motion of an object depends on the observers motion

1 answer:

7 0

In a moving car the outside looks to be moving. however if viewed from the outside, the car appears to be moving. so motion is relative to the person observing.

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rewona [7]

Answer:

Explanation:

Density is about how closely compact molecules are. (^-^)

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2 years ago

A speaker emits sound waves in all directions, and at a distance of 28 m from it the intensity level is 73 db. What is the total

Oduvanchick [21]

Answer:

P=0.197 Watt

Explanation:

Given That

B=73dB

Io= 1 * 10^-12

$I=Io * 10^{\frac{B}{10} } \\I=2 * 10^{-5} Wm^{-2} \\A=4 * pi * r^{2}\\ A=9852.03 m^{2}\\ Power= I * A\\P= 0.197 Watt$

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3 years ago

A point charge Q of mass M is located initially at the center of the ring. When it is displaced slightly, the point charge accel

dolphi86 [110]

Answer:

n musical notation, stems are the, "thin, vertical lines that are directly connected to the [note] head." Stems may point up or down. ... There is an exception to this rule: if a chord contains a second, the stem runs between the two notes with the higher being placed on the right of the stem and the lower on the left.

Explanation:

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3 years ago

What element has 5 valence electrons, but more than 7 protons and less than 33 protons?

MAVERICK [17]

Answer:

Phosphorus (P)

Explanation:

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3 years ago

You have an initial velocity of -3.0 m/s. You then experience an acceleration of 2.5 m/s2 for 9.0s; what

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27.9 idkkkk look it up on photomath

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3 years ago