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cricket20
[7]
3 years ago
15
When is acceleration positive, negative, and zero? Calculate the average speed if I walk to class at a speed of 20 meters/minute
for the first 2 minutes and run when they start to play 21 savage at a rate of 50 meters/minute for the last 3 minutes.
Physics
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1
answer:
Marrrta
[24]
3 years ago
6
0
Part A: a->positive when velocity is increasing a->negative when velocity is decreasing a->zero when velocity is constant
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