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m_a_m_a [10]
3 years ago
14

Sound waves travel faster through air than through solids. a. True b. False

Physics
1 answer:
WINSTONCH [101]3 years ago
7 0
I believe the answer is true
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A car was moving a 14 m/s. After 30 seconds, it’s speed increased to 20 m/s. What was its acceleration during this time?
Anuta_ua [19.1K]

Answer:

acceleration = 0.2 m/s/s

Explanation:

initial velocity u = 14

final velocity v = 20

time = 30

acceleration = ?

v = u + at

20 = 14 + 30a

30a = 6

a = 0.2 m/s/s

5 0
3 years ago
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Can someone tell me the acceleration?
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Answer:

25.48

Explanation:

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Give two example for push or pull to change the state of motion of time two examples​
dolphi86 [110]

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An Example of push as a force would be to push on a swing. The force moves the swing in a particular direction and the harder that you push the further the swing will go.

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