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3 years ago

In a longitudinal wave, amplitude can be measured from the

Physics

1 answer:

rewona [7]3 years ago

6 0

Answer:

For longitudinal waves, amplitude is the distance from rest to crest.

Explanation:

Longitudinal Waves.

In a longitudinal wave the particle displacement is parallel to the direction of wave propagation.

longitudinal waves properties includes wavelength, amplitude, period, frequency and wave speed. However instead of peaks and troughs, longitudinal waves have compressions and rarefactions.

The amplitude of a wave refers to the maximum amount of displacement of a particle on the medium from its rest position. In a sense, the amplitude is the distance from rest to crest. Similarly, the amplitude can be measured from the rest position to the trough position.

For longitudinal waves, amplitude is the distance from rest to crest.

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3 years ago

A 70 kg base runner begins his slide into second base while moving at a speed of 4.35 m/s. He slides so that his speed is zero j

sladkih [1.3K]

Answer

given,

Mass of the runner, M = 70 Kg

speed of the runner on the second base = 4.35 m/s

speed at the base = 0 m/s

Acceleration due to gravity,g = 9.8 m/s²

a) magnitude of mechanical energy lost

Mechanical energy lost is equal top gain in kinetic energy

$ME_{Lost}=\dfrac{1}{2}mv^2$

$ME_{Lost}=\dfrac{1}{2}\times 70\times 4.35^2$

$ME_{Lost}=662.29\ J$

b) Work done = Force x displacement

W = F. x

F = μ mg

W = μ mg . x

Work done is equal to 662.29 J

$x=\dfrac{W}{\mu m g}$

using the coefficient of the friction,μ = 0.7

$x=\dfrac{662.29}{ 0.7\times 70\times 9.8}$

x = 1.38 m

Hence, the runner will slide to 1.38 m.

3 0

3 years ago

A hockey player applies an average force of 80.0 N to a

denpristay [2]

Answer:

$Impulse = 8.0Ns$

Explanation:

Given

$Force = 80.0N$

$Mass = 0.25kg$

$Time = 0.10s$

Required

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The impulse is calculated as follows:

$Impulse = Force * Time$

Substitute values for Force and Time

$Impulse = 80.0N * 0.10s$

$Impulse = 8.0Ns$

<em>Hence, the impulse experienced is 8.0Ns</em>

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Answer:

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2 years ago

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creativ13 [48]

Typically two copies in each cell.

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3 years ago