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My name is Ann [436]
3 years ago
8

a guitar string is 0.620 m long, and oscillates at 234 Hz. if a player uses his finger to shorten the string to 0.480 m, what is

the new frequency?
Physics
2 answers:
guapka [62]3 years ago
8 0

Answer:

302.25

Explanation:

Nutka1998 [239]3 years ago
4 0
Solve the x u will get 181.16

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For a transverse wave, what is a wavefront?
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Explanation:

A wavefront is the long edge that moves, for example, the crest or the trough. Each point on the wavefront emits a semicircular wave that moves at the propagation speed v. These are drawn at a time t later, so that they have moved a distance s = vt.

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2 years ago
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While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. Her friend, a hocke
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The right shoe

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3 years ago
Mechanical energy is the sum of<br> energy and potential energy.
MAVERICK [17]

Answer:

True, the total amount of mechanical energy is merely the sum of the potential energy and the kinetic energy. This sum is simply referred to as the total mechanical energy.

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2 years ago
Which type of current flows inside the flashlight A direct B alternating C repeating D pulsating
anzhelika [568]

The flashlight is powered by one or more batteries.
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2 years ago
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A 2-kg box is pushed by a force of 4 N for 2 seconds. It has an initial velocity vo = 2 m/s to the right. NOTE: Since this probl
IRISSAK [1]

Answer:

Kf= 36 J

W(net) = 32 J

Explanation:

Given that

m = 2 kg

F= 4 N

t= 2 s

Initial velocity ,u= 2 m/s

We know that rate of change of linear momentum is called force.

F= dP/dt

F.t = ΔP

ΔP = Pf - Pi

ΔP = m v  - m u

v= Final velocity

By putting the values

4 x 2 = 2 ( v - 2)

8 =  2 ( v - 2)

4 = v - 2

v= 6 m/s

The final kinetic energy Kf

Kf= 1/2 m v²

Kf= 0.5 x 2 x 6²

Kf= 36 J

Initial kinetic energy Ki

Ki = 1/2 m u²

Ki= 0.5 x 2 x 2²

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We know that net work is equal to the change in kinetic energy

W(net) = Kf - Ki

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W(net) = 32 J

7 0
3 years ago
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