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Lelu [443]
3 years ago
9

A trumpet makes sound when the lips of the musician vibrate. True False

Physics
2 answers:
Allushta [10]3 years ago
4 0
I think is True! Is the best answer. Because the trumpet it make them sounds like the lips with the musician and it vibrate.
ale4655 [162]3 years ago
4 0
I just asked my mom because she was in music school and she said it would be false
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sketch a velocity time graph for the motion of the body . from the graph explain each step, calculate the total distance covered
Tatiana [17]

Answer: please find the attached file for the solution.

Explanation:

In a velocity time graph for the motion of the body, the total distance covered by the body is area under the graph.

Please find the attached file for the solution.

5 0
3 years ago
The ball rolled 15 meters in 3 seconds. What was the speed of the ball?
ANTONII [103]

Answer:

<h3>5 meter / sec.</h3><h3 />

Explanation:

speed = distance / time

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          = 5 meter / sec.

6 0
3 years ago
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3 0
3 years ago
Why is a pond appears shallower than it actually is?​
larisa86 [58]

Answer:

Below:

Explanation:

Consider two rays originating from the bottom of the pond. As these rays get refracted into the air, they bend away from the normal. ... This point gives the apparent position of the bottom of the pond, therefore, the pond appears to be shallower.

Hope it helps....

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8 0
3 years ago
Alberto is walking east at 10 m/s from his house to his grandma's house. It takes him 30s to walk 50 m/s more to his grandma's h
Pachacha [2.7K]

Answer:

Acceleration = 1.33m/s² East

Explanation:

Given the following data;

Initial velocity = 10m/s

Final velocity = 50m/s

Time = 30secs

To find the acceleration;

In physics, acceleration can be defined as the rate of change of the velocity of an object with respect to time.

This simply means that, acceleration is given by the subtraction of initial velocity from the final velocity all over time.

Hence, if we subtract the initial velocity from the final velocity and divide that by the time, we can calculate an object’s acceleration.

Mathematically, acceleration is given by the equation;

Acceleration (a) = \frac{final \; velocity  -  initial \; velocity}{time}

a = \frac{v  -  u}{t}

Where,

a is acceleration measured in ms^{-2}

v and u is final and initial velocity respectively, measured in ms^{-1}

t is time measured in seconds.

Substituting into the equation, we have;

a = \frac{50 - 10}{30}

a = \frac{40}{30}

Acceleration = 1.33m/s² East

3 0
3 years ago
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