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Furkat [3]
3 years ago
11

Two identical speakers are 3.50 m

Physics
1 answer:
DiKsa [7]3 years ago
6 0

Answer:

The difference in distance from the speakers is 5.2 - 3.5 = 1.7 m

The listener would be 1/2 wavelength out of phase with the speakers

1/2 y = 1.7 m    where y is the wavelength

y = 3.4 m       the required wavelength

f = v / y = 340 m/s / 3.4 m = 100 / sec     lowest frequency  

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Mass×acceleration of a triangle =force​
Law Incorporation [45]

Answer:

The force acting on a body is always equal to the product of the mass of the body and its acceleration.

Explanation:

The force of a body is defined as the product of mass and acceleration of the body.

According to Newton's second law, wherever there is a change in momentum of the body for an interval of time, there is a force acting on it.

                         F = (mv - mu) / t

                             = m (v -u) /t

                              = m a

Where,

                                 (v - u)/t - is the change in velocity of the body in the interval of time. It is equal to the acceleration of the body.

Hence, the equation for the force for any body becomes, F = m x a

5 0
3 years ago
Define homeostasis please I need help
son4ous [18]
Homeostasis is the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes. 
4 0
3 years ago
A ball is kicked from the ground into the air at a velocity of 3 m/s at an angle 35° above the horizontal and hits the ground so
Dennis_Churaev [7]

Answer:2.45 m/s

Explanation:

Given

Launch velocity(u)=3 m/s

launch angle=35^{\circ}

as the vertical velocity first decreasing to zero and then increases to original value so its avg is zero .

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v_{avg}=\frac{Range}{time}

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thus v_{avg}=\frac{3\cos 35\times t}{t}

v_{avg}=3\cos 35=2.45 m/s

8 0
3 years ago
Which of the following quantities represent mass?
lisabon 2012 [21]

Answer:

Explanation:

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b ) .34 g   - mass

c ) 120 kg    - mass  

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d ) 1600 kN     It represents force because kN or kilonewton is unit of  force .

e ) it represents , length or distance because m or metre  is unit of length .

f ) 411 cm It represents length or distance because cm is smaller unit of length

g ) 899 MN or million newton .  Like d ) It also represents force . Million newton is higher unit of force .

6 0
3 years ago
This question is about sound waves and light waves.
kenny6666 [7]

Answer:

you had it right

Explanation:

4 0
3 years ago
Read 2 more answers
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