Which of the following is a substance?
A) Air
B) Saltwater
C) Oxygen (O2)
D) Trail mix
Answer (2)
Well, the acceleration is the difference of speeds divided by the time period. 0.5 32.4 = 64.8 re v / s 2 .
One rev/s is 2 π r a d / s 2 , so our final result is 64.8 ∗ 2 π = 407.15 r a d / s 2 .
not sure lol ;
