The answer is the second option, or 1/10 the same momentum.
Answer:
pitched sound
Explanation:
The shrillness of sound is known as Pitched Sound
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Devon will travel 180m in 12 seconds. All you have to do is multiply 15 by 12. Hope this helps
Centripetal Force, F = mv²/r
Where m = mass in kg, v = velocity in m/s and r = radius of curvature in m.
Centripetal Force, F = 2000 * 25² / 80. Use your calculator.
F = 15 625 N.
Answer:
96 mph
Explanation:
There are a couple of ways of doing this, but I will just use a proportion.
first off 1 hour = 60 minutes.
So 144/90 = x/60 will give me the answer per 60 minutes of miles per hour.
cross multiply to get 90x = 8640
divide by 90 to get 96 miles per 60 minutes or 96 mph.
Hope this helped.