The pace length P is the distance between the rear of two consecutive footprints for men the formula n/P=110 gives an approximate relationship between n and P, where n= number of steps per minute and P = pace length in meters. Bernard knows his Pace Length is 97cm. Calculate Bernards walking speed in kmph.
106.70
8.82
6.21
11.34

• n=P*110=.97*110(since P has to be in meters)=106.7steps
  distance=106.7*0.97=103.499mts
  distance in kmph=obtained by mul the fraction 3/50=3/50*103.499=6.20994~6.21(c)
• 13 years agoHelpfull: Yes(20) No(0)
• total no of steps or n=110*0.97= 106.7
  now total distance = total no of steps*1 step length
  i.e. 106.7*0.97=103.499 meter
  now in 1 hour total distance covered= 103.499*60 meter
  therefore speed per hour= (103.499*60)/1000 = 6.2099 or 6.3.
  hence option C.
  
• 12 years agoHelpfull: Yes(0) No(0)