1. A car takes 20 minutes to cover a distance of 15 km. Calculate its speed in km/h and m/s.The dictonon hotu

1. A car takes 20 minutes to cover a distance of 15 km. Calculate its

1.	1. A car takes 20 minutes to cover a distance of 15 km. Calculate its speed in km/h and m/s.The dictonon hotu
Answer» <p>time =20min = 20/60 hraspeed =?distance =15kms =d/ts= 15 /(20/60) km /hrs= 15/(1/3)s= 15×3 s= 45 km/hr</p><p>s=45×18/5 m/ss=9×18s= 162 m/s</p> <p>Time taken=20x60=1200sDist.=15x1000=15000mSpeed=15000/1200=150/12=12.5 m/sSpeed= 12.5 m/s=12.5x18/5 km/h =2.5x18 Km/h =45 Km/h</p> <p>Time taken=20x60=1200sDist.=15x1000=15000mSpeed=15000/1200=150/12=12.5 m/sSpeed= 12.5 m/s=12.5x18/5 km/h =2.5x18 Km/h =45 Km/h</p> <p>speed = Distance / Timedistance = 15 kmtime = 20min = 20/60= 1/3 hrspeed = 15km /(1/3) = 15 × 3/1 = 15×3 = 45km/hr</p> <p>Time taken=20x60=1200sDist.=15x1000=15000mSpeed=15000/1200=150/12=12.5 m/sSpeed= 12.5 m/s=12.5x18/5 km/h =2.5x18 Km/h =45 Km/his the correct answer </p> <p>speed=(15×1000)÷(20×</p> <p>45km/h is the correct answer</p>