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Norma-Jean [14]
3 years ago
11

A bicyclist is in a 50-km race. She says she had an average velocity of 35. What is missing in the cyclist's velocity? A. units

only B. units and distance C. direction only D. units and direction
Physics
2 answers:
mixas84 [53]3 years ago
7 0
Answer: A 


I hope this helped and have a wonderful day!!
aivan3 [116]3 years ago
4 0
Hello There!

It is A. Units only.

Hope This Helps You!
Good Luck :) 

- Hannah ❤
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4. An object is moving with an initial velocity of 9 m/s. It accelerates at a rate of 1.5
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Answer:

11.87 ms⁻¹

Explanation:

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v² = u² + 2as

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3 years ago
Two narrow slits are illuminated by a laser with a wavelength of 593 nm. The interference pattern on a screen located x = 4.80 m
masya89 [10]

Answer:

The distance is  d =  1.39 *10^{-4} \  m

Explanation:

From the question we are told that

   The wavelength is  \lambda =  593 \ nm  =  593 *10^{-9} \ m

    The distance of the screen is   x  =  4.80 m

    The  location of the fourth order bright fringe is  y  =  8.20 cm = 0.082 m

    The order of the fringe is  n  =  4

   

Generally the position of a fringe with respect to the central fringe is mathematically represented as

           y  =  \frac{ n  *  x  *  \lambda }{d}

Where d is the distance between the slits, so making d the subject

          d =  \frac{\lambda  *  x  *  n }{ y }

substituting values

          d =  \frac{ 593 *10^{-9}  *  4.80  *  4 }{ 0.082 }

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