Question

covert the speeds into kmph 1) 2ms. 2) 10ms. 3) 12.5ms. 4)15ms​

Answer 1

Answer:

1 km = 1000 m; 1 hr = 3600 sec. To convert km/hr into m/sec, multiply the number by 5 and then divide it by 18.

Answer 2

Ans;-

we know that

1kmph = 5/18 m/s

therefore

1m/s= 18/5 kmph

now using unitary method

1) 2×18/5

2) 10×18/5

3)12.5×18/5

4)15×18/5