The motorist travels (a) 58 km/h and (b) ~16.1 m/sec
Answer:
15 m/s
Explanation:
Speed(m/s) = distance(m)/time(s)
distance = 216 km = 216,000 m
time = 4 hours = 14,400 s
speed = 216000/14400 = 15 m/s
The answer to this would inFact be A
That's ONLY true when the pendulum is hanging
in the center position and not moving.