Answer :
Answer:
12 m/s
Explanation:
a = v² / r
78 m/s² = v² / 2.0 m
v = 12.49 m/s
Rounding to two significant figures, the speed is 12 m/s.
Answer:
12 m/s
Explanation:
a = v² / r
78 m/s² = v² / 2.0 m
v = 12.49 m/s
Rounding to two significant figures, the speed is 12 m/s.