Answers

  • JNZ
  • Ambitious
2015-09-04T13:21:39+05:30
D=105m
r=52.5m
circumference of circle=2πr
=2×3.14×52.5
=329.7
t=5min=5×60sec=300sec
speed=total distance÷total time
=329.7÷300
=1.099m/s
0
2015-09-04T15:49:53+05:30
Diameter = 105 m
distance travelled = πD = 22/7 × 105 = 330 m
time = 5 minute = 300s

speed = 330/300 = 1.1 m/s
0