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Anna35 [415]
3 years ago
9

Suppose you increase your walking speed from 4 m/s to 12 m/s in a period of 2 s. What is your acceleration?

Physics
2 answers:
Romashka [77]3 years ago
7 0
The answer is 32 meter per second square.

Karo-lina-s [1.5K]3 years ago
6 0

You should write ' 4 ' in the first box,
and ' m/s² ' in the second box.

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A disk of a radius 50 cm rotates at a constant rate of 100 rpm. What distance in meters will a point on the outside rim travel d
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the distance in meters traveled by a point outside the rim is 157.1 m

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Given;

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The distance in meters traveled by a point outside the rim is calculated as follows;

\theta = \omega t\\\\\theta = (100 \frac{rev}{\min}  \times \frac{2\pi \ rad}{1 \ rev} \times \frac{1\min}{60 s} ) \times (30 s)\\\\\theta = 100 \pi \ rad\\\\d = \theta r\\\\d = 100\pi  \ \times \ 0.5m\\\\d = 50 \pi \ m = 157.1 \ m

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