A girl walks with a velocity of 1 m/s, and then increases her speed uniformly to 3 m/s in 4 s.
What is the girl’s acceleration?
A. 1.5 m/s2
B. 0.75 m/s
C. 2 m/s2
D. 0.5 m/s2
2 answers
acceleration= changeVelocity/time= (3-1)/4sec = .75m/s
good
1 answer