Question

Hi!

Answer 1

Answer:

A

Step-by-step explanation:

Units of Lenght :

• Km
• Hm
• Dam
• m
• dm
• cm
• mm

1.   ÷10 for each step ↑
2.   x10 for each step ↓

7200 km = 7200.1000 m

1 h = 60 minutes

every minute has 60 s.

1 h = 60 x 60 s

$\frac{7200}{1}$ km/h = $\frac{7200.1000}{60.60}$ m/s

$\frac{7200.1000}{60.60} = \frac{2.1000}{1}$

2.1000 = 2000

Hope this helps ^-^

Answer 2

Answer:

A $=$ 2000 m/s

Step-by-step explanation:

When you multiply a km/h with $\frac{5}{18}$ , it converts to m/s.

So,

$7200$ × $\frac{5}{18}$ $= 2000$ m/s

Hope this helps...

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