Question

Express the following speeds in metres per second:
(a) 70Km/hr
(b) 10.6km/hr
(c) 25.5km/hr
(d) 75.2Km/hr





Step-by-Step Explain also​

Answer 1

Step-by-step explanation:

1 km= 1000m

1hour= 3600 seconds

a)70km/hr= 70×1000/3600=19.4m/s

b)10.6km/h=10.6×1000/3600=2.9m/s

c)25.5km/h=25.5×1000/3600=7.08m/s

d)75.2km/h=75.2×1000/3600=20.8m/s