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Leno4ka [110]
4 years ago
11

What is 18000 expressed in scientific notation​

Physics
2 answers:
Vikki [24]4 years ago
8 0
1.8x 10^4
This is 18000 expressed in scientific notation.
Blababa [14]4 years ago
3 0

Answer:

1.8x 10^4

Explanation:

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Which of the following quantities are vectors? Select all that apply. Which of the following quantities are vectors? Select all
andrew11 [14]

Answer:

1980 kg m/s due south

8.2 m/s2 north-west

Explanation:

In order a quantity to be a vector, it should both has a magnitude and direction.

27 J/s --> Only magnitude. (Power)

1980 kg m/s due south --> Both magnitude and direction. (Momentum)

8.2 m/s2 north-west --> Both magnitude and direction. (Acceleration)

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293 K --> Only magnitude. (Temperature)

200 s --> Only magnitude. (Time)

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What is the difference between P and S waves
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Primary waves are faster than Secondary waves

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3 years ago
AEROSPACE On the Moon, a falling object falls just 2.65 feet in the first second after being dropped. Each second it falls 5.3 f
aniked [119]

Answer:

d = 265 ft

Therefore, an object fall 265 ft in the first ten seconds after being dropped

Explanation:

This scenario can be represented by an arithmetic progression AP.

nth term = a + nd

Where a is the first term given as 2.63 ft.

d is the common difference and is given as 5.3ft.

n is the particular second/time.

To calculate how far the object would fall in the first 10 seconds, we can derive it using the sum of an AP.

d = nth sum = (n/2)(2a+(n-1)d)

Where n = 10 seconds

a = 2.65 ft

d = 5.3 ft

Substituting the values we have;

d = (10/2)(2×2.65 + (10-1)5.3)

d = 265 ft

Therefore, an object fall 265 ft in the first ten seconds after being dropped

4 0
3 years ago
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What does the slope of a velocity vs time graph give you
BigorU [14]
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8 0
3 years ago
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Which of the following is an example of a mixture? A. calcium B. water C. carbon dioxide D. the atmosphere
Mandarinka [93]

Answer:

D

Explanation:

The atmosphere is made up of constituents not chemically combined unlike the rest of the options...

The atmosphere is made up of O2, N2, etc. and they are not chemically combined, hence the atmosphere is a mixture

5 0
3 years ago
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