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Leviafan [203]
3 years ago
10

A source emits sound at a fixed constant frequency f. If you run towards the source, the frequency you hear is

Physics
1 answer:
Ulleksa [173]3 years ago
7 0

Answer:

increased because as you run into each sound wave the time between each sound decreases meaning the period of each wave decreases to your years and since f=1/T and T is decreasing by greater than 0, f must increase.

Explanation:

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As stream discharge increases ________. only velocity increases velocity, width, and depth increase velocity, width, and depth d
nignag [31]

As stream discharge increases, only velocity increases.

<h3>What is discharge?</h3>

The discharge or volume flow rate is defined as the product of the velocity of the fluid and the area of cross- section of the pipe or tube.

Discharge Q = Area A x Velocity V

Q = AV

The discharge is directly proportional to the velocity of the fluid. When discharge increases, velocity is the only physical quantity that can be changed.

Thus, As stream discharge increases, only velocity increases.

Learn more about discharge.

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2 years ago
Question 36 pls<br> Physics
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3 years ago
What are some 2 safety Equipment
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Answer:

What are the different personal protective equipment?

Personal protective equipment, commonly referred to as “PPE”, is equipment worn to minimize exposure to a variety of hazards. Examples of PPE include such items as gloves, foot and eye protection, protective hearing devices (earplugs, muffs) hard hats, respirators and full body suits. Understand the types of PPE.

4 0
3 years ago
Is a truck braking to avoid an accident moving at constant
frutty [35]

Answer:

its not moving at a constant velocity because it is slowing down

Explanation:

3 0
3 years ago
Read 2 more answers
If you throw a ball up with a velocity of 7 m/s, how long will it take for the ball to reach the top of its path?
nirvana33 [79]

Answer:

c. 0.71 [s]

Explanation:

To solve this problem we must use the following equation of kinematics.

v_{f} =v_{o} -g*t

where:

Vf = final velocity = 0 (because when the ball reaches the top, there is no movement)

Vo = initial velocity = 7 [m/s]

g = gravity acceleration = 9.81 [m/s²]

t = time [s]

Note: The negative sign of the equation means that the movement is againts the direction of the gravity acceleration.

0 = 7 - (9.81*t)\\t = 0.713 [s]

4 0
3 years ago
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