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Alexxx [7]
3 years ago
12

What will most likely happen if a sound wave moves from the air through a solid?

Physics
2 answers:
m_a_m_a [10]3 years ago
6 0
It will increase in speed.
Ierofanga [76]3 years ago
4 0
It will bounce off the solid
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Can someone help me with this real quick?
ch4aika [34]

Answer:

7,546 J

Explanation:

recall that Potential energy is given by

P.E = mgΔh

where m = 70kg (given)

g = 9.8 m/s² (acceleration due to gravity)

Δh = change in height

= distance from top of building to top of car

= height of building - height of car

= (5+8) - 2

= 11m

substituting all these into the equation:

P.E = mgΔh

= 70 x 9.8 x 11

= 7,546 J

4 0
3 years ago
If Steve throws the football 50 meters in 3 seconds, what is the average speed of the football? Speed = distance / time Question
leva [86]

Answer:

A. 16.67 m/s

Explanation:

Speed or velocity refers to the rate of change in distance over a change in time. That is;

Speed = Distance ÷ time

Where;

Speed is in metre/seconds

Distance is in metre

Time is in seconds.

In this question, Steve throws a football 50 meters in 3 seconds. The average speed can be calculated this:

S = D/t

Where; d = 50m, t = 3s

S = 50/3

S = 16.6666666

S = 16.67m/s

5 0
2 years ago
object is placed 15cm in front of a plane mirror. If the mirror is moved further 5cm away from the object and the image is​
solong [7]

Answer:

The image will most likely be 20cm in front the mirror since the mirror was placed further 5cm.

4 0
3 years ago
Read 2 more answers
A flag bearer holds a 20 N flag at the end of a pole that has an angle of 20 degrees to the horizontal. What is the force from t
Nezavi [6.7K]

I think the answer is C) i am sorry if i am wrong plz let me know if i am wrong thank u.

4 0
3 years ago
25 POINTS HELP ME I have to make a thermos in science class using a styrofoam cup, cottonballs, and tinfoil. It has to keep wate
Eddi Din [679]

Line the outside of the cup with the tinfoil. Then put the cotton balls inside. Finally, line the cotton balls with the tinfoil and smush it all together.

8 0
3 years ago
Read 2 more answers
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