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Sunny_sXe [5.5K]
3 years ago
5

The period of a mechanical wave is 5 seconds. What is the frequency of the wave?

Physics
1 answer:
viva [34]3 years ago
8 0
The frequency of a wave is just the reciprocal of the period.For this one . . .
Frequency  =  1/(period)  =  1/(5 sec)  =  0.2 per sec (0.2 Hz) .
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A table exerts a 4.0 Newton force on a book which lies at rest on its top. The force exerted by the book on the table is
SOVA2 [1]
I believe the correct answer from the choices listed above is the third option. <span>The force exerted by the book on the table is equal to the force exerted by the table which is 4.0 N. The book does not move so it must be that the forces are balanced. Hope this answers the question.</span>
4 0
3 years ago
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Which of the following is not a step in the inquiry process
padilas [110]

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I would most likely go with B. but im not 100% sure

8 0
3 years ago
Why are the wheels on a roller coaster hot after a ride. (I know it’s due to friction but I need more of a detailed answer).
telo118 [61]
2 someone's glasses could fall of because of the inertia
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8 0
3 years ago
The box leaves position x=0 with speed v0. The box is slowed by a constant frictional force until it comes to rest at position x
Diano4ka-milaya [45]

Answer:

Ff=m\times \dfrac{V_o^2}{2X_1}

Explanation:

Given that

At X=0 V=Vo

At X=X1  V=0

As we know that friction force is always try to oppose the motion of an object. It means that it provide acceleration in the negative direction.

We know that

V^2=U^2-2aS

0=V_o^2-2a X_1

a=\dfrac{V_o^2}{2X_1}

So the friction force on the box

Ff= m x a

Ff=m\times \dfrac{V_o^2}{2X_1}

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4 0
3 years ago
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Natali5045456 [20]

Answer:

<h3>1.43m/s²</h3>

Explanation:

According to newtons second law.

F = mass * acceleration

If the doll has a mass of 0.2 kg, and the robot has a mass of 0.5 kg, the resulting mass will be 0.7kg

Force applied = 1N

acceleration = Force/mass

Substitute the values and get acceleration

acceleration = 1/0.7

acceleration = 1.43m/s²

Hence the magnitude of the acceleration of the robot is 1.43m/s²

3 0
3 years ago
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