Which wave is carrying the most energy?

Physics

2 answers:

larisa86 [58]3 years ago

7 0

Answer : Wave 2

Explanation :

A disturbance created in a medium is termed as a wave. Energy is transported from one location to another.

A wave can be characterized by the following parameters i.e.

(1) The amplitude

(2) The Frequency

(3) The Wavelength etc.

The amplitude means the maximum displacement of the particles. It also shows the transportation of energy.

If the amplitude is higher, it shows the maximum energy carried by the wave.

And if the amplitude is smaller, it implies the less energy carried by the wave.

Wave 2 have maximum amplitude, the maximum energy is carried by it.

So, the correct option is (2)

Rainbow [258]3 years ago

3 0

The second wave because it has the most frequencies. The larger the wave, the more frequencies it has.

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A bowling ball with a mass of 7.0kg strikes a pin that had a mass of 2.0kg the pin flies forward with a velocity of 6.0m/s, and

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The conservation of momentum P states that the amount of momentum remains constant when there are not external forces.

We don't have external forces, so:

$P_0 = P_1\\m_bv_{0b}+m_pv_{0p}=m_bv_{1b}+m_pv_{1p}\\$

Where:

mb is the mass of the bowling ball
mp the mass of the pin
$v_{0b}\quad and\quad v_{0p}$ the initial velocities of the bowling ball and the pin.
$v_{1b}\quad and\quad v_{1p}$ the final velocities of the bowling ball and the pin.

Solving for v0b:

$v_{0b} =\dfrac{m_bv_{1b}+m_pv_{1p}- m_pv_{0p}}{m_{b}}\\\\v_{0b} =\dfrac{(7\;kg)(4\;m/s)+(2\;kg)(6\;m/s)- (2\;kg)(0 \;m/s)}{7\;kg}\\v_{0b}=\dfrac{40}{7}\;m/s\\\\\boxed{v_{0b}\approx5.71\;m/s}$