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Nonamiya [84]
3 years ago
11

The decibel scale is used to measure the perceived loudness of a sound. a. True b. False

Physics
1 answer:
Mademuasel [1]3 years ago
8 0
True because when you look at the scale you see that some louder things are higher on it than others
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ZanzabumX [31]
Momentum would be the same before and after the collision
 Before the collision:
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 After the collision
 velocity = 0.25m / s
 1 * 0.25 + 1 * 0.25 =
 0.25 * (1 + 1) =
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 Now new momentum will be 0.5
 answer
 the same before and after the collision
4 0
3 years ago
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A bird flew 16 km west in 5 hours , then flew 20 km east in 6 hours . What was the birds velocity?
LenaWriter [7]
During that period of time, the bird's displacement was 4 km east. So its velocity was (4km east)/(11hrs). That's 0.36 km/hour east. (rounded)
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2 years ago
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3 years ago
On the asteroid Cere, the acceleration due to gravity is about 0.27 m/s^2. How long would it take a ball to fall to the ground i
KiRa [710]

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7 0
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If humans are the most complex creature, does that mean they have the most number of chromosomes?
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