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Eva8 [605]
3 years ago
14

How to convert 3.8km/sec to mi/year

Mathematics
2 answers:
saveliy_v [14]3 years ago
6 0

Answer:

7.446e+7

Step-by-step explanation:

natta225 [31]3 years ago
6 0

Answer

74479055.3 miles per year

Step-by-step explanation:

this is the conversions :

1mile=1609 meters

1000metere=1km

3600sec= 1hour

24 hours= 1 day

356days=1 year

3.8 km / s

( 1000 m / 1 km ) ( 1 mile / 1609 meters ) ( 3600 s / 1 h ) ( 24 hours / 1 day ) ( 365 days / 1 year )

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Answer:

-13

Step-by-step explanation:

8 0
3 years ago
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1
cricket20 [7]

Answer:

<em>5.33 secs</em>

Step-by-step explanation:

Given the equation of the height modeled by the equation/

h(t) = -3.2 + 12.5t + 24.8

The object strikes the ground when the height h(t) is zero

Substituting h(t) = 0 into the expression

h(t) = -3.2t² + 12.5t + 24.8

0 =  -3.2t² + 12.5t + 24.8

-3.2t² + 12.5t + 24.8 = 0

Multiply through by minus sign

3.2t² - 12.5t - 24.8 = 0

From the expression a = 3.2, b = -12.5 and c = -24.8

t = -(-12.5)±√(-12.5)²-4(3.2)(-24.8)/2(3.2)

t = 12.5±√156.25+317.44)/6.4

t = 12.5±√473.69/6.42

t = 12.5±21.76/6.42

t = 12.5+21.76/6.42

t = 34.26/6.42

t = 5.33secs

<em>Hence the object strike the ground after 5.33 secs</em>

3 0
2 years ago
I need help on 1 and 2
Lelechka [254]
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3 years ago
The value of y varies directly
Elanso [62]

Answer:

Step-by-step explanation:

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6 0
3 years ago
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Shkiper50 [21]

Answer:

57.78 km/hr

Step-by-step explanation:

Total time taken, t = 6 hours

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Average speed of train = 57.78 km/hr

7 0
2 years ago
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