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jek_recluse [69]
3 years ago
9

A 40-cm long string, with one end clamped and the other free to move transversely, is vibrating in its fundamental standing wave

mode. If the wave speed is 320 cm/s the frequency is:
Physics
1 answer:
Stella [2.4K]3 years ago
3 0

For the given wave speed, the frequency is 2.0 Hz

<h3>What is frequency?</h3>

The frequency is the number of cycles per second in the sinusoidal wave.

Given is the length of the string L = 40cm, the wave speed v =320 cm/s, then the wavelength is

λ =4L

λ =4 x 40 cm =160 cm.

The frequency is related to the wavelength as

f =v/λ

f =320/160

f=2.0 Hz

Thus, the frequency is 2.0 Hz.

Learn more about frequency.

brainly.com/question/14320803

#SPJ4

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When the electric field strength is large, electric field lines are: a) close together.
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You own a yacht which is 14.5 meters long. It is motoring down a canal at 10.6 m/s. Its bow (the front of the boat) is just abou
Alex73 [517]

Answer:

4.198 seconds

Explanation:

The total length of the yacht is 30m and the width of the bridge is 14.5m.

The speed of the yacht is 10.6m/s.

We can assume the current of the canal has a speed of 0m/s.

To calculate the answer we will break it into two parts

1) The time it takes for the bow to travel from the start of the bridge to the end

<em>Formula Speed = Distance / Time</em>

Speed = 10.6m/s

Distance = 30m

Time = T1

T1 = 2.8301s

2) The time it takes for the stern to cross the end of the bridge after the bow

<em />

<em>Formula Speed = Distance / Time</em>

<em />

Speed = 10.6m/s

Distance = 14.5m

Time = T2

T2 = 1.3679s

3) The Total Time is

Total = T1 + T2

Total = 4.198s

5 0
3 years ago
How much time does it take for a car to accelerate from 3.44 m/s to 20:9 m/s if the average acceleration is 6.00 m/s^2?
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From 1st EQ. of uniform motion
1)20.9-3.44/6=t=2.91 sec


2)28= 0+4.22a
a=6.66m/sec^2

3) Instantaneous acceleration

8 0
3 years ago
Read 2 more answers
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