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kicyunya [14]
3 years ago
14

Why are large astronomical bodies such as planets and stars round

Physics
2 answers:
Tamiku [17]3 years ago
5 0

Answer:

Gravity pulled little bits of space rocks (or gases) with equivalent force in all directions when they formed .

Explanation:

Alborosie3 years ago
4 0
Gravity pulled little bits of space rocks (or gases) with equivalent force in all directions when they formed 
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A 0.141 kg pinewood derby car is moving 1.33 m/s . What is its momentum?
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momentum= mass × velocity = 0.141kg×1.33m/s= 0.18753kg m/s = 0.188kg m/s (3s.f.)

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Two whistles blow at the same time. The first whistle has a frequency twice that of the second whistle (it is a higher pitch). W
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the first one

Explanation:

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A 16 kg object cuts 4 km in 25 minutes, find the applied force on the object?
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3 years ago
1.Predict the frequency of a tuning fork that emits a sound with a wavelength of 0.385 m.
lina2011 [118]

Answer:

1.) Frequency F = 890.9 Hz

2.) Wavelength (λ) = 0.893 m

Explanation:

1.) Given that the wavelength = 0.385m

The speed of sound = 343 m / s

To predict the frequency, let us use the formula V = F λ

Where (λ) = wavelength = 0.385m

343 = F × 0.385

F = 343/0.385

F = 890.9 Hz

2.) Given that the frequency = 384Hz

Using the formula again

V = F λ

λ = V/F

Wavelength (λ) = 343/384

Wavelength (λ) = 0.893 m

The two questions can be solved with the use of formula

3 0
3 years ago
A ball is dropped from rest.
nignag [31]

Answer:

How fast is it going? 29.4 Meters per second

How far has it fallen? 44.1 meters

Explanation: Gravitional Acceleration: 9.8 meters per secnd squared!

6 0
3 years ago
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