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120 km/h = 331/3 m/s

≈ 33.33 ms-1

1 km = 1000 m

⇒ 120 km = 120 x 1000 m

= 120000 m

1 hr = 3600 sec

⇒ 120000 m/hr = 120000 ÷ 3600 m/s

= 331/3 m/s

≈ 33.33 m/s

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13y ago

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