.. . 1 m # 100 cm10 m = 1000 cm100Time taken to cover 10 m-1 × 1000 =

1.	.. . 1 m # 100 cm10 m = 1000 cm100Time taken to cover 10 m-1 × 1000 = 100 sEXERCISE 11 (B)nd out the distance covered when:speed = 960 km/h, time = 1 hour 50 minutesspeed = 15 m/sec, time = 10 hourspeed 250 cm/sec, time 15.5 secondsermine the time taken when:distance 7150 km, speed 780 km/hdistance =8 m, speed = 8-cm/secdistance 27 km, speed 45 km/hfar will an aeroplane fly in 7 hours 30 minute2
Answer» 1 b 1 hour=60 mini10 hour=600then 600×15=3600 d=st1)960110/60=176km2)15×36000=540000m3)250×15.5=3875cmt=d/s1)7150/780=9.17h2)800/42 5=95.238s3)27/45=0.6h

.. . 1 m # 100 cm10 m = 1000 cm100Time taken to cover 10 m-1 × 1000 = 100 sEXERCISE 11 (B)nd out the distance covered when:speed = 960 km/h, time = 1 hour 50 minutesspeed = 15 m/sec, time = 10 hourspeed 250 cm/sec, time 15.5 secondsermine the time taken when:distance 7150 km, speed 780 km/hdistance =8 m, speed = 8-cm/secdistance 27 km, speed 45 km/hfar will an aeroplane fly in 7 hours 30 minute2

Answer»

1 b 1 hour=60 mini10 hour=600then 600×15=3600

d=st1)960*110/60=176km2)15×36000=540000m3)250×15.5=3875cmt=d/s1)7150/780=9.17h2)800/42 *5=95.238s3)27/45=0.6h