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AfilCa [17]
4 years ago
10

4

Physics
1 answer:
12345 [234]4 years ago
6 0

Answer:

charcoal is the correct answer

hope it helps , pls mark me as brainliest

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Calculate the average speed in metres per second from Glasgow to Edinburgh
mariarad [96]
This is the same question as the one previously but with more details, so I will just use my previous answer.

1800 to 1820 is 20 minutes.1830 to 1838 is 8 minutes.1840 to 1905 is 25 minutes.
The total time travelled is 20+8+25 = 53 minutes = 3180 seconds.
The distance between Glasgow and Edinburgh is 28 + 12 + 34 = 74 km = 74000 m.

So, the average speed is 74000m/3180s = 23.27 m/s (4 s.f.)
5 0
3 years ago
How long does it take for an airplane to change its velocity from 140 m/s to 180 m/s if its
kobusy [5.1K]

Answer:

Explanation:

a = 4ms⁻²,  Vf = 180 m/s  &  Vi = 140m/s

a = \frac{Vf-Vi}{t}

4 = \frac{180-140}{t}

t = 40/4

t = 10sec

To Measure Distance Use third Equation of Motion:

2aS = Vf²-Vi²

S = \frac{180*180 - 140*140}{2(4)}

S = 12800/8 = 1600m

4 0
3 years ago
Roxy is driving down East Capitol Street. She drives 1380 meters in 45 seconds. Assuming she does not speedup or slow down, what
Natasha_Volkova [10]

Answer:

30.66667

Explanation:

should be the answer if the calculator is correct

7 0
3 years ago
If an experiment used 945 j of heat, how many calories (cal) is that?
irina1246 [14]
There are approximately two hundred and twenty-five point seven five calories from using 945 j of heat

A: 225.75
5 0
4 years ago
What is the efficient cause if acceleration​
vladimir1956 [14]

Answer:

acceleration= velocity ÷ time

Explanation:

the question is outrageous

4 0
3 years ago
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