Asked by MM
A baseball with a mass of 0.145 kg is thrown straight down at the ground. At a particular speed, it has a drag force of 0.4 N acting on it. What is its acceleration at that time?
a. -7.0 m/s2
b. -2.8 m/s2
c. -9.8 m/s2
d. -12.6 m/s2
a. -7.0 m/s2
b. -2.8 m/s2
c. -9.8 m/s2
d. -12.6 m/s2
Answers
Answered by
Damon
.4 N up
9.8*.145 down
m a = .4 - 9.8*.145
that is about .4 - 1.4 or -1
a = -1/.145 = about -7
a
9.8*.145 down
m a = .4 - 9.8*.145
that is about .4 - 1.4 or -1
a = -1/.145 = about -7
a
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