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raketka [301]
2 years ago
14

A baseball starts from rest and rolls 40.0 m down a hill in 10.0 seconds what is the acceleration

Physics
1 answer:
Stella [2.4K]2 years ago
3 0
Acceleration is velocity over time. in order to find velocity, you divide distance over time
v =  \frac{d}{t}  =  \frac{40}{10}  = 4 \\ a =  \frac{v}{t}  =  \frac{4}{10}  = 0.4 \:  \frac{m}{ {s}^{2} }
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Answer:

1 C

Explanation:

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I=\frac{q}{t}

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For the lightning in this problem, we have

I=2.50\cdot 10^4 A is the current

t=40.0 \mu s = 40.0\cdot 10^{-6} s is the time interval

Solving the formula for q, we find the amount of charge transferred:

q=I t = (2.50\cdot 10^4 A)(40.0\cdot 10^{-6}s)=1 C

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Answer:

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Explanation:

hope this helps !!!!

7 0
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kipiarov [429]

Answer:

A

Explanation:

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