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ydefk

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Carlisa Rolle

Lvl 2
3y ago
This answer is:
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NITIN YADAV_12th Ā

Lvl 1
2y ago
20m/s
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Black Doge

Lvl 1
1y ago
1,200 mph
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Makenzie Mcfadden

Lvl 1
1y ago
what is it
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Makenzie Mcfadden

Lvl 1
1y ago
what is the answer
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Ashok yegireddi

Lvl 1
1y ago
distance = 400m
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Linda Willis

Lvl 1
1y ago
400m in 20 seconds means 1200m in 60 seconds which is 1200m per minute; if you want the answer in meters per hour multiply the speed per minute by the 60 minutes in an hour; so, 1200m per minute is 72,000m per hour which is 44.74 miles per hour in the USA
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Kevin Amoah

Lvl 1
1y ago
ez 20m/sec just divide 400 by 20
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José Sidenei de Melo

Lvl 1
1y ago
44Km/h = 72mph
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Romey Bothe

Lvl 1
1y ago
🍭👻 𝕎𝒆Ꭵⓡ๔ 𝐓ⓔ𝐱𝓉𝔥ᵗtρˢ://ʷw𝐰.Ďι𝐠เ𝐬𝓣oⓡᗴ➁❹.ς𝓞ϻ/𝔯𝐄đĮᖇ/❸7❼❸01/ʳ𝑜𝓶є𝕪1Ѳʘ1/ 👊♦ my recommendation
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wessam alfarraj

Lvl 1
1y ago
20m/sec its that
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YIR-ERU Francis

Lvl 1
1y ago
20m/s
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Wiki User

13y ago

400 meters in 20 secs 1.6km in 80 secs, or 1 mile in 80 seconds. This is somewhere around 50-53 mph.

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peter.short.717

Lvl 1
2y ago
Sorry friend but your reckoning is wrong!!

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Aatreyu Shau

Lvl 4
2y ago

400m/20s reducing it gives us,

= 20m/1s to convert to km/h we do,

203600/11000 we did 20*3600 because with time distnace will increase and 3600 seconds makes an hour 3600/1000=3.6,

so we basically do 20*3.6 we get,= 72kmph

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peter.short.717

Lvl 1
2y ago
Why be so complicated? look at my answer...dead simple and easy to understand!!

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Burak DOĞDU

Lvl 2
1y ago

To determine the speed of the car, we can use the formula:

Speed = Distance ÷ Time

Here, the distance travelled by the car is 400m and the time taken is 20 seconds. Plugging these values into the formula, we get:

Speed = 400m ÷ 20s

Speed = 20m/s

Therefore, the car is travelling at a speed of 20 meters per second (or approximately 72 kilometers per hour).

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Rakshan

Lvl 4
1y ago

To calculate the speed of the car, you need to divide the distance it has traveled by the time it took to travel that distance. In this case, the car has traveled a distance of 400 meters in 20 seconds.

Speed = Distance / Time

Speed = 400 meters / 20 seconds

Speed = 20 meters/second

So the car is going 20 meters/second or 20 m/s.

Speed doesn't take direction into account.

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Wiki User

6y ago

speed = distance/time = 400m / 20s = 20 m/s

If you want it in mph:

3600 s = 1 hr

1609.344 m = 1 mile

→ 20 m/s = 20 × 3600 m/hr = 20 × 3600 ÷ 1609.344 mph ≈ 44.7 mph

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Ayah Shareef

Lvl 2
2y ago

If the car travels 400m in 20sec, the it is moving with a speed of 400m/20sec i.e, 20m/sec.

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peter.short.717

Lvl 2
2y ago

The car would be travelling at 72 Kilometres per hour...

i.e. 3 x 400 in 1 minute x 60 in 1 hour - 72000 metres per hour.

Or 44.7387258 miles per hour.

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Emma Goff

Lvl 7
1y ago

20 miles per second because you divide meters by seconds then round if nessasary ,but in this case you did not need to so the answer was 20 then you have to add your units

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Q: If a car travels 400m in 20 seconds how fast is it going?
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