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olasank [31]
3 years ago
7

How is the axe an example of a wedge (think about simple machines)?

Physics
1 answer:
vfiekz [6]3 years ago
5 0

Answer:

Heavier on one side lighter on the other side.

:P

Explanation:

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A wire, 1.0 m long, with a mass of 90 g, is under tension. A transverse wave is propagated on the wire, for which the frequency
Mice21 [21]

Answer:

T = 712.9 N

Explanation:

First, we will find the speed of the wave:

v = fλ

where,

v = speed of the wave = ?

f = frequency = 890 Hz

λ = wavelength = 0.1 m

Therefore,

v = (890 Hz)(0.1 m)

v = 89 m/s

Now, we will find the linear mass density of the wire:

\mu = \frac{m}{L}

where,

μ = linear mass density of wie = ?

m = mass of wire = 90 g = 0.09 kg

L = length of wire = 1 m

Therefore,

\mu = \frac{0.09\ kg}{1\ m}

μ = 0.09 kg/m

Now, the tension in wire (T) will be:

T = μv² = (0.09 kg/m)(89 m/s)²

<u>T = 712.9 N</u>

7 0
3 years ago
Evan drew a diagram to illustrate radiation
labwork [276]
The answer would be D, electromagnetic waves
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3 years ago
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Questlon 20 of 20 Which change to an object would quadruple its kinetic energy?
worty [1.4K]

Answer:Questlon 20 of 20 Which change to an object would quadruple its kinetic energy?

A. Reducing its mass to one-half of its original value

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C. Reducing its velocity to one-half of its original value O

D. Increasing its mass to twice its original value ​Questlon 20 of 20 Which change to an object would quadruple its kinetic energy?

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D. Increasing its mass to twice its original value ​Questlon 20 of 20 Which change to an object would quadruple its kinetic energy?

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B. Increasing its velocitato twice its original value

C. Reducing its velocity to one-half of its original value O

D. Increasing its mass to twice its original value ​Questlon 20 of 20 Which change to an object would quadruple its kinetic energy?

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B. Increasing its velocitato twice its original value

C. Reducing its velocity to one-half of its original value O

D. Increasing its mass to twice its original value ​Questlon 20 of 20 Which change to an object would quadruple its kinetic energy?

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C. Reducing its velocity to one-half of its original value O

D. Increasing its mass to twice its original value ​Questlon 20 of 20 Which change to an object would quadruple its kinetic energy?

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D. Increasing its mass to twice its original value ​Questlon 20 of 20 Which change to an object would quadruple its kinetic energy?

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B. Increasing its velocitato twice its original value

C. Reducing its velocity to one-half of its original value O

D. Increasing its mass to twice its original value ​Questlon 20 of 20 Which change to an object would quadruple its kinetic energy?

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B. Increasing its velocitato twice its original value

C. Reducing its velocity to one-half of its original value O

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6 0
3 years ago
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Find the voltage across the 15 Ω resistor. .<br> 35 Ω<br> 20 Ω<br> 15 Ω<br> 10 V
almond37 [142]

Answer:

35 Ω

Explanation:

3 0
2 years ago
Please help with this question.
EastWind [94]

Answer:

41.16 Joules

Explanation:

Potential energy at a given instant is a function of mass and height of an object. The formula is

E_p = mgh = 2.80kg\cdot 9.8\frac{m}{s^2}\cdot 1.50m = 41.16 J

4 0
3 years ago
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