Caleb rides his horse with a constant speed of 12 miles per hour. How far can she travel in 3 1/2 hours?

Physics

1 answer:

baherus [9]3 years ago

6 0

12 × 3= 36
12 × 1/2 = 6
36+ 6= 42

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Answer:

65.625 m/s

Explanation:

$F=20\times 10^9 Hz$

$\Delta F=F_r-F_t=4750 Hz$

c = Speed of light = 3×10⁸ m/s

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$v=\frac{\Delta F}{2F}\times c\\\Rightarrow v=\frac{4750}{2\times 20\times 10^9}\times 3\times 10^8\\\Rightarrow v=35.625\ m/s$

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