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2 years ago

An ocean wave has a wavelength of 10 m and a frequency of 4.0 Hz. What is the velocity of the

Physics

1 answer:

aleksandr82 [10.1K]2 years ago

3 0

The velocity of the wave is 40 m/s

Explanation:

The relationship between the velocity of a wave and its frequency and wavelength is given by

$v=f \lambda$

where

v is the velocity

f is the frequency

$\lambda$ is the wavelength

For the ocean wave in this problem, we have:

$\lambda = 10 m$ (wavelength)

f = 4.0 Hz (frequency)

Therefore, its velocity is

$v=(4.0)(10)=40 m/s$

Learn more about waves:

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Explanation:

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Speed of light is given by

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2 years ago

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2 years ago

A shot-putter exerts a force of 0.142 kN on a shot, accelerating it to 22.75 m/s2. What is the mass of the shot?

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$\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}$

Actually Welcome to the Concept of the Force and Power.

Since, according to the Newton's law,

Force = mass * Acceleration.

hence, here

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2 years ago

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1 year ago

A hockey stick of mass ms and length L is at rest on the ice (which is assumed to be frictionless). A puck with mass mp hits the

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Answer:

L = mp*v₀*(ms*D) / (ms + mp)

Explanation:

Given info

ms = mass of the hockey stick

uis = 0 (initial speed of the hockey stick before the collision)

xis = D (initial position of center of mass of the hockey stick before the collision)

mp = mass of the puck

uip = v₀ (initial speed of the puck before the collision)

xip = 0 (initial position of center of mass of the puck before the collision)

If we apply

Ycm = (ms*xis + mp*xip) / (ms + mp)

⇒ Ycm = (ms*D + mp*0) / (ms + mp)

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Now, we can apply the equation

L = m*v*R

where m = mp

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then we have

L = mp*v₀*(ms*D) / (ms + mp)

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2 years ago