PHYSICS HIGH SCHOOL

The speed of sound is 330 m/s and the wavelength of a particular sound wave is 33 meters. Calculate the period of this wave.

Answers

Answer 1

Answer:

Answer:

The period of this wave es 10 seconds.

Explanation:

The wavelength is the minimum distance between two points of the wave that is in the same state of vibration.

Frequency is the number of vibrations that occur in a unit of time.

The speed of propagation is the speed with which the wave propagates in the middle. Relate wavelength (λ) and frequency (f) inversely proportionally using the following equation: v = f * λ.

The period is the time that elapses between the emission of two consecutive waves. In other words, it is the time it takes for a complete wave to pass through a reference point. The period (T) is simply the inverse of the frequency (f):

$T=(1)/(f)$

The units of the period are the seconds (s)

Then the propagation speed will be v = λ / T (Speed = wavelength/period)

Then T= λ / v

$Period = (speed)/(wavelength) = (330 (m)/(s) )/(33 m)$

Period (T)= 10 s

The period of this wave es 10 seconds.

Answer 2

Answer:

Answer:

.10 sec

Explanation:

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.In real life, a given system can approach equilibrium from different starting points but will still have the same equilibrium constant. How is this possible? Explain your answer in complete sentences.

Answers

It does not matter where the system starts but it will reach to an equilibrium state when the equilibrium ratio is reached.

hope it helps

What is the resultant of a and B if a= -2i - 5j and B = I - 4j

Answers

a= -2i - 5j
B = I - 4j

a + B = -2i -5j + 1i - 4j

a + B = -1i - 9j

Which does more work, a force of 500 N moving through 10 m or a force of 100 N moving through 40 m?

Answers

Explanation:

To determine which force does more work, we can calculate the work done by each force using the formula:

Work = Force × Distance

For the first scenario:

Work = 500 N × 10 m = 5000 N·m

For the second scenario:

Work = 100 N × 40 m = 4000 N·m

Therefore, the force of 500 N moving through 10 m does more work, with a total of 5000 N·m.

A stealth bomber is flying straight and level at a constant speed of 150 m/s at an altitude of 3500 m above the ground. It drops a bomb intended to hit a specific target on the ground. a) How long will it take for the bomb to hit the ground?

b) At what horizontal distance away from its target must the bomber release the bomb in order to strike its target?

**disregard air resistance**

Answers

$Height = (1)/(2) gt^2 \n \n 3500 = (1)/(2) (9.8)(t^2)\n \n3500 = 4.9t^2\n\nt^2 =714.285714286\n\n\boxed {t=26.73~seconds}$

$\sf Horizontal ~distance = velocity * time\n\n Horizontal distance =150 * 26.73 \n\nHorizontal ~distance =4009.5$

All life that we know of is based on carbon. Carbon's ability to form many chemical bonds is an important characteristic that allows it to form the basis of life. Identify two other elements that can probably also form a large number of bonds and that probably have similar properties to carbon.

Answers

Starch and cellulose have the same substance but different structures. They are both polysaccharides. The basic unit of a polysaccharide is the glucose. Glucose, which contains carbon, hydrogen, and oxygen, have two forms. The alpha-glucose with an alcohol group attached to carbon 1 is down and the beta-glucose with the alcohol group attached to carbon 1 is up. Starch is the alpha-glucose while cellulose is the beta-glucose. Starches are linked into a straight chain whereas the cellulose are connected like a pile of stack paper. When the human body eats starch, it can digest the starch but not the cellulose because it has no enzyme that can break it down.

mr knote a piano tuner taps his 440-hz tunning fork with a mallet. what is the period of the vibrating fork?