3 years ago

An advertisement uses a movie star holding a bottle of perfume. This ad is an example of which of the following?

Physics

1 answer:

icang [17]3 years ago

7 0

The Answer would be (A) an appeal of association

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What is the frequency of a sound wave traveling at 335 m/s with a wavelength of .55 m?

irga5000 [103]

Answer:

v=f* lamba

f=v/lamba

f= 335/55

f=6.45 hertz

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3 years ago

Two skaters stand facing each other. One skater's mass is 60 kg, and the other's

jeyben [28]

Answer:

v' = 2.4 m/s

Explanation:

Given that,

Mass of one skater, m = 60 kg

Mass of the other's skater, m' = 60 kg

The two skaters push off each other. After the push, the smaller skater has a velocity of 3.0 m/s.

When there is no external force acting on a system, the momentum remains conserved. It means initial momentum is equal to the final momentum. Let v' is the velocity of the larger skater.

mv = m'v'

$v'=\dfrac{mv}{m'}\\\\v'=\dfrac{60\times 3}{75}\\\\v'=2.4\ m/s$

So, the velocity of the larger skater is 2.4 m/s.

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3 years ago

For a wave, what term is defined as the maximum height of a crest, or depth of a trough, relative to the normal level? for a wav

sammy [17]

The appropriate response is amplitude. Amplitude is the target estimation of the level of progress (positive or negative) in environmental weight (the pressure and rarefaction of air atoms) created by sound waves.

I hope the answer will help you.

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3 years ago

Based on the graph, describe how momentum changes with time for an object in free fall. If you can help, I would be so grateful.

pochemuha

With time, momentum increases as it builds speed assuming their is nothing in the way to stop it. Based on the graph, you can see that example being displayed as the line on the graph gets higher

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3 years ago

You have a rock with a density of 12 g/cm3 and a volume of 5c m3. What is its mass?

OverLord2011 [107]

Answer:

60 grams

Explanation:

Mass=density x volume

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3 years ago