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ipn [44]
3 years ago
10

What is Density? (3-5 sentences or your own word don't copy the notes)

Physics
1 answer:
lara31 [8.8K]3 years ago
8 0

Answer:

the density makes something float or sink below water its the "water weight "

Explanation:

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What is the difference between an open and closed circuit?
MrRa [10]

Answer:

An open circuit does not go on for an infinite time, but the closed circuit does.

Explanation:

8 0
3 years ago
Read 2 more answers
One of the 64.3-cm-long strings of an ordinary guitar is tuned to produce the note LaTeX: B_3B 3 (frequency 245 Hz) when vibrati
Phoenix [80]

Answer:

v = 315 m/s

Explanation:

given,

length of the string = 64.3 cm

frequency at fundamental mode = 245 Hz

speed of sound = 345 m/s

speed of the transverse waves = ?

here

wavelength = twice length of string

λ = 2 L

λ = 2 × 64.3

λ = 128.6 cm = 1.286 m

using formula

v = ν λ

v = 245 × 1.286

v = 315.07 m/s

Hence, the speed of the transverse wave on the string will be equal to v = 315 m/s

8 0
3 years ago
A force of 1000 newtons was necessary to lift a rock. A total of 3000 joules of work was done. How far was the rock lifted?
zhenek [66]

Answer: 3 meters

Explanation:

If you were to use a 3 line answer then it would look like this:

d = W/F

d = 3000/1000

d = 3 meters

8 0
2 years ago
Which description correctly summarizes how an electric motor causes an axle to turn?
Tasya [4]

Answer:

The poles of the magnetic field generated around the armature are attracted to the opposite poles of the permanent magnet. As the opposite poles align, the commutator reverses the current direction so like poles are aligned and the armature continues to spin.

Explanation:

3 0
3 years ago
Un movil pasa por el punto A en direccion hacia B (350cm más adelante) y, luego, sigue hasta el punto C. Sabiendo que pasa por B
xeze [42]

Explanation:

PRIMERO HACES EL RECUENTO DEL TIEMPO Y LO CONVIERTES EN

SEGUNDOS Y ENTONCES

<em>t</em> = 227 s      t_{AB} = 227 S - 38 s = 189 s

t_{BC} = 38 s

LUEGO USANDO LA ECUACIÓN DE GALILEO GALILEI SSUPONIENDO

QUE EL MOVIL VIAJA A VELOCIDAD CONSTANTE

<em>v</em> = 3.50 m/189 s = 0.0185 m/s

PARA LA DISTANCIA NTRE B Y C

x_{BC} = 0.0185 m/S( 38 s) = 0.703 m

LA HORA EN QUE EL MOVIL PASA POR A ES

11:43:15 - 38 s - 189 s = 11:39:29

6 0
3 years ago
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