Question

1. Express the following speeds in km/h:
(ii) 250 m/s​

Answer 1

Step-by-step explanation:

$1m \: = \frac{1}{1000} km$

$1hr = 60min$

$60min = 3600sec$

$\small\tt\red{Therefore,}$

$\frac{250}{1000} ÷ \frac{1}{3600}$

$\frac{250}{1000} \times \frac{3600}{1}$

$\small\tt\green{900km/hr}$

$\huge\tt\purple{Mark\:as\:brainliest}$

Answer 2

1m \: = \frac{1}{1000} km1m=

1000

1

km

1hr = 60min1hr=60min

60min = 3600sec60min=3{250}{1000} ÷{3600}

1000

250

÷

3600

1

{250}{1000} {3600}{1}

1000

250

×

1

3600

{900km/hr}900km/h