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Mars2501 [29]
3 years ago
7

On an acceleration-time graph, what are the units for acceleration

Physics
1 answer:
snow_tiger [21]3 years ago
4 0
On an acceleration time graph, the units are m/s^2
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How to do this question
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Answer:

(a) 10 m/s

(b) 22.4 m/s

Explanation:

(a) Draw a free body diagram of the car when it is at the top of the loop.  There are two forces: weight force mg pulling down, and normal force N pushing down.

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v = √(10 m/s² × 10.0 m)

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(b) Energy is conserved.

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½ mv₀² + mgh = ½ mv²

v₀² + 2gh = v²

(10 m/s)² + 2 (10 m/s²) (20.0 m) = v²

v = 22.4 m/s

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3 years ago
What is the maximum number of electrons an oxygen atom can hold in its outer energy level?
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The first element on the periodic table of elements is helium true of false
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