Question

Q1. 4m/s to km/hr
Q2. A car covers a distance of 100 km in first two hours, 120 km in next 1

hour and 32 km in next 1/2 hour. Convert the speed into m/sec.

please do fast need urgently ❣️

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Answer 1

Answer:

1. 14.4km/hr

2. i 13.88

ii 33.33

iii 17.78

Step-by-step explanation:

for km/hr multiply by 18/5

and for m/s multiply by 5/18

Answer 2

Answer:

1. 4* 18/5

*5= 72/5

=14.4

2. total distance= 252 km

total time= 3 hours 30 min

speed= distance/ time

= 252/3.30

= 76.36 km/h

= 76.36*5/18

=4.24*5

=21.2 m/s

Step-by-step explanation:

hope my answers are correct ☺️☺️☺️