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3 years ago

5. To increase this characteristic of contentment in my life, I need to...

Physics

1 answer:

Anon25 [30]3 years ago

4 0

Answer:

Love yourself, that's what you need to do. In order to be content, let yourself! Treat you right.

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A car’s horn has a frequency of 1000 Hz. An observer hears the

Brut [27]

Answer:

31.4 m/s

Explanation:

The Doppler equation describes how sound frequency depends on relative velocities:

fr = fs (c + vr)/(c + vs),

where fr is the frequency heard by the receiver,

fs is the frequency emitted at the source,

c is the speed of sound,

vr is the velocity of the receiver,

and vs is the velocity of the source.

Note: vr is positive if the receiver is moving towards the source, negative if away.

Conversely, vs is positive if the receiver is moving away from the source, and negative if towards.

Given:

fs = 1000 Hz

fr = 1100 Hz

c = 345 m/s

vr = 0 m/s

Find: vs

1100 = 1000 (345 + 0) / (345 + vs)

vs = -31.4

The speed of the car is 31.4 m/s.

7 0

4 years ago

1. Explain the following terms i. Design ii. Possible solution iii. Specification.

Furkat [3]

Answer:

phpgodigpfogpglxjccxnckxjccll

3 0

3 years ago

One star has a mass slightly more than the mass of the sun. Which of these graphs would best model and predict the lifetime of t

Oksanka [162]

Answer:

Explanation:

6 0

4 years ago

a car drives 40 miles east, turns around, then drives 30 miles west. (a) Find the distance traveled by the car. (b) find the car

Dovator [93]

Part A)

Distance is given as sum of total path length

So here as we are given that car drives 40 miles East and 30 miles West

So here the total path length is

$Distance = 40 miles + 30 miles$

$distance = 70 miles$

Part B)

Displacement is given as straight line distance between initial and final position

So here we can see that

$d_1 = 40 miles$ East

$d_2 = 30 miles$ West

Now the total displacement will be

$d = d_1 - d_2 = 40 - 30 = 10 miles$

<u><em>so the displacement will be 10 miles East</em></u>

8 0

3 years ago

Need help with Physics. 100 points + Brainliest

kiruha [24]

Answer:

I wrote down the answer and attached it below.

Explanation:

Hope this Helps!!!!

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8 0

3 years ago

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