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2 years ago

What happens to the amplitude of the resultant wave when two sound waves with equal amplitude constructively interfere?

Physics

1 answer:

Alik [6]2 years ago

8 0

Answer:

For two waves of equal amplitude interfering constructively, the resulting amplitude is twice as large as the amplitude of an individual wave. For 100 waves of the same amplitude interfering constructively, the resulting amplitude is 100 times larger than the amplitude of an individual wave.

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A ball is kicked from level ground at an angle 60° with initial velocity 10 m/s. The distance the ball travels, in meters, is:

RUDIKE [14]

Answer:

the ball travels a distance of 8.84 m

Explanation:

Range: Range is defined as the horizontal distance from the point of projection to the point where the projectile hits the projection plane again.

R = (U²sin2∅)/g.............................. Equation 1

Where R = range, U = initial velocity, ∅ = angle of projection, g = acceleration due to gravity.

Given: U = 10 m/s, ∅ = 60°

Constant: g = 9.8 m/s²

Substituting these values into equation 1

R = [10²×sin(2×60)]/9.8

R = (100sin120)/9.8

R = 100×0.8660/9.8

R = 86.60/9.8

R = 8.84 m

Therefore the ball travels a distance of 8.84 m

4 0

2 years ago

A wave with a frequency of 500hz is traveling at a speed of 1000m/s whats the wavelength?

Nimfa-mama [501]

The answer would be 0.4m

4 0

1 year ago

A negative charge is moving across a rook from south to north. A magnetic field runs from East to west. In what direction is the

Zinaida [17]

Answer:

The magnetic force on the moving negative charge is towards the ceiling.

Explanation:

The magnetic force acting on a wire is given by the relation as follows :

$F=q(v\times B)$

q is charged particle

v is velocity of charged particle

B is magnetic field

In this case, a negative charge is moving across a rook from south to north. A magnetic field runs from East to west.

q = -q

v =+j

B = -i

So,

$F=-q(vj\times B(-i))$

Since, $j\times i=-k$

So,

$F=q(v\times B)(-k)$

So, the magnetic force on the moving negative charge is towards the ceiling.

5 0

3 years ago

If I held a ball high in the air but didn’t let it go, is this a demonstration of kinetic or potential energy? If you answer pot

Harman [31]

Answer:

i think potential because of gravitational potential energy being stored?

Explanation:

5 0

2 years ago

8. Imagine a clock whose hands move in distinct "clunks."

brilliants [131]

Answer:

Explanation:

4 0

1 year ago