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ohaa [14]
2 years ago
14

A wave passes along the surface of the water in a ripple tank. Describe the motion of a molecule on the surface as the water pas

ses.
Physics
1 answer:
laila [671]2 years ago
8 0

Answer:

Explanation:

Water waves are generally a transverse wave which do not cause permanent displacement of molecules of the medium. Transverse waves are waves in which the direction of propagation of the wave is perpendicular to the direction of vibration of the particles of the medium.

As the wave propagates from one point to another on the surface of water transferring energy, a molecule of water on its surface vibrates upwards and downwards. Its motion is perpendicular to the direction of propagation of the wave. After the vibration, it comes back to its initial position.

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An iron wire has length 8.0m and a diameter 0.50mm. The sir has a resistance R.
Rudik [331]
The re<span>sistance of the second wire is 16 R.
where R is the resistance of the first wire.

R = </span>ρ\frac{l}{A}
where l = length of the wire
A = area of the wire
A = \pi r^{2} where, r = \frac{diameter of wire}{2}

Thus, on finding the ratio of resistance of the two wires, we get,

\frac{R1}{R2} =  \frac{l1A2}{l2A1}

here, R1 = R
l1 = 8m
l2 = 2m
A1=π0.25^{2}
A1=π0.50^{2}

we get. R2 = 16R
7 0
3 years ago
A wrench is accidentally dropped at the top of an elevator shaft in a tall building. (a) How many meters does the wrench fall in
RUDIKE [14]

Answer:

11.25m

Explanation:

s = ut +  \frac{1}{2} a {t}^{2}  \\  = 0 \times 1.5 +  \frac{1}{2} \times 10 \times   {1.5}^{2}  \\  = 5 \times 2.25 \\  = 11.25

6 0
2 years ago
Find the velocity of a baseball thrown 78 m from third base to first base in 30 sec​
ankoles [38]

Answer:

V=2.6m/s

Explanation:

velocity=Distance/time

V=78/30=2.6m/s

3 0
2 years ago
A wave has a speed of 50 m/sec. If its frequency is 100 Hz,
Gre4nikov [31]
Wave speed= Frequency x Wavelength


-> Wavelength= Wave speed divide Frequency


-> 50m/s divide 100Hz= 0.5m
7 0
2 years ago
Which of the following is true about the diameter of a circle?
Natalka [10]

Answer:

<em>option</em><em> A</em>

Explanation:

the diameter is twice the length of the radius

hope it helps

6 0
3 years ago
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