Question

numericals:
1. express 72km/h in m/s

2. express 5 g/ cm3 in kg / m3​

Answer 1

Answer:

72 km/HR

72*5/18

20 m/sec

2)5*1000000/1000

=5000kg/m3

Answer 2

Answer:

1. 72 x 5/18 = 20m/s

2. 1 g = 1/1000 kg

1cm3 = 1/100×100×100 m3

5g/cm3 = 5000kg/ m3