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Wittaler [7]
3 years ago
7

What two factors affect the speed of a sound wave as it travels through a medium ?​

Physics
1 answer:
iragen [17]3 years ago
6 0
The material that makes up the medium such as air or water and the temperature.
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A 15 kg mass is lifted to a height of 2m. What is gravitational potential energy at this position
7nadin3 [17]

Answer: 294J

Explanation:

U_g=mg(y_f-y_i)

U_g=(15)(9.8)(2-0)=294J

7 0
3 years ago
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Describe how a change in resistance would affect the current in a circuit.
Tresset [83]

Explanation:

The relation between potential difference, current and resistance flowing in a circuit is given by using Ohm's law. It can be given by :

V = IR

I=\dfrac{V}{R}

Resistance opposes the flow of electric current in the circuit. It means that, if resistance is more, less current will flow through the circuit.

3 0
3 years ago
How far will a bird have traveled in 13 seconds if it maintains a speed of 31 m/s
BARSIC [14]

Distance = Speed × time

Distance = 31m/s × 13 seconds = 403m

8 0
3 years ago
A. 36 mins 52.5 secs<br> b. 24mins 22.5 secs<br> c. 13 mins 0 secs<br> d. 9 mins 45 secs
DedPeter [7]
I think it might be A. I’m sorry if I’m wrong
5 0
3 years ago
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Ben walks 500 meters from his house to the corner store. He then walks back toward his house but stops to talk to a neighbor whe
spin [16.1K]
Average velocity =

      (displacement) / (time for the displacement)
and
      (direction of the displacement) .

Displacement =

      (distance from the start-point to the end-point)
and
      (direction from the start-point to the end-point)   .

When Ben is 200 meters from the corner store,
he is (500 - 200) = 300 meters from his house.

His displacement is

         300 meters in the direction
                             from his house to the neighbor .


His average velocity is

         (300/910) =  0.33 meters per second, in the
                               direction from his house to the neighbor .


7 0
3 years ago
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