Can someone help on this I'm really stuck

Physics

1 answer:

castortr0y [4]3 years ago

5 0

Here, "Wavelength is same for both waves" it is the distance between two crests or two consecutive troughs, so, it is constant for both of them, you can easily figure it out.

In short, Your Answer would be "Wavelength"

Hope this helps!

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Why do hot-air balloons rise?

natulia [17]

D hope it helps you

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4 years ago

What happens to the volume of an ideal gas as temperature drops

riadik2000 [5.3K]

Based on the ideal gas equation, the pressure (P), volume (V) and temperature (T) corresponding to n moles of an ideal gas are related as:

PV = nRT

where R = gas constant

Under conditions of constant pressure and number of moles:

The volume is directly proportional to the pressure. Therefore, as the temperature drops the volume will also decrease.

V α T

This is also known as the Charles Law.

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4 years ago

Is there a pattern to the volcano distribution around the plant?

alexira [117]

Hi there!

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3 years ago

25 points!

Veronika [31]

Refer to the diagram shown below.

At A, the boy begins walking up the stairs.

At B, the boy is at the top of the slide. He has acquired PE (potential energy).
The value of the PE is
(50 kg)*(9.8 m/s²)*(11.5 m) = 5635 J

At C, the boy has KE (kinetic energy).
The value of the KE is
(1/2)*(50 kg)*(12 m/s)² = 3600 J

Energy is lost between B and C due to friction.
The lost energy is
5635 - 3600 = 2035 J

The distance traveled along the slide is 108 m.
If F = the average frictional force, then
(F N)*(108 m) = 2035 J
F = 18.84 N

Answers:
(a) The mechanical energy lost by sliding is 2035 J.
(b) The average frictional force is 18.84 N

8 0

3 years ago

Calculate the energy equivalent in joules of the mass of a proton

Tamiku [17]

The problem should only have one part to it, but this one has two.
Before I can do the mass/energy conversion, I have to go and
look up the proton mass for myself ... go out and collect the straw
to make my bricks, as it were. As if the fabulous bounty of 7 points
makes it worth it. They make us do everything around here.

OK. In my Physics book⁽¹⁾, the proton rest mass is

   1.67 x 10⁻²⁷ kg.

The formula that relates mass to the equivalent energy is

E = m c² .

The method of applying the formula is known as "plug in what you know",
as follows:

   E = (mass) x (speed of light)²

= (1.67 x 10⁻²⁷ kg) x (3 x 10⁸ m/s)²

   = (1.67 X 10⁻²⁷ Kg) x (9 x 10¹⁶ m²/s²)

=    (1.5 x 10⁻¹⁰) (kg-m²/s²)

=    1.5 x 10⁻¹⁰ joule .
____________________________________

⁽¹⁾ Halliday, David and Resnick, Robert, Physics , John Wiley & Sons,
Inc., 1960, inside front cover, "SELECTED PHYSICAL CONSTANTS".

8 0

4 years ago