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denpristay [2]
3 years ago
11

SP1a. What is the average velocity of a car that travels 30 kilometers due west in 0.50 hour?

Physics
1 answer:
Mila [183]3 years ago
3 0

Answer:

16.67 m/s

Explanation:

v =  \frac{d}{t}

Change kilometers to meters and hour to seconds

=30000m/1800s

=16.67 m/s

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Two hockey pucks, labeled A and B, are initially at rest on a smooth ice surface and are separated by a distance of 18.0 m . Sim
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Answer:

The distance covered by puck A before collision is  z = 8.56 \ m

Explanation:

From the question we are told that

   The label on the two hockey pucks is  A and  B

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        The speed of puck B is  v_B  =  4.30 \ m/s

The distance covered by puck A is mathematically represented as

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 The distance covered by puck B  is  mathematically represented as

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=>   t  = \frac{18 - z}{v_B}

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substituting values

          \frac{18 -z }{4.3}  = \frac{z}{3.90}

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