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Ugo [173]
3 years ago
12

Describe how we can use scientific knowledge and reasoning to help guide us when making decisions

Physics
1 answer:
ASHA 777 [7]3 years ago
7 0
<span>A very simple example is the light bulb question. If the light bulb in your room goes out, scientific reasoning will first attribute it to a short circuit. Then, after setting up the hypothesis, we go and check if changing the fuse solves the problem. if not, the hypothesis is rejected and we change the hypothesis and do another experiment.</span>
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Is it accurate to say that galaxies take up most of the volume of space? Why or why not?
RUDIKE [14]

Answer:

ntergalactic space takes up most of the volume of the universe, but even galaxies and star systems consist almost entirely of empty space.

Explanation:

so to be exact galixes do make up most of the volume of space because galaxies are what make up space!

4 0
2 years ago
Clarence is taking his dog for a walk around town. After wandering around for an hour, his mother calls him, telling him dinner
Anvisha [2.4K]

Answer:

he can subtract the distance and then divide by the time it takes him

Explanation:

8 0
3 years ago
Annie is considering two different coach journeys from Bristol to Birmingham.
Alexeev081 [22]

The average speed in the first case is 19.86 m/s and the average speed in the second case is 13.67 m/s.

The formula of average speed is

average speed = total distance / total time

In first case

total distance is 143 km which is also 143000 m

and total time is 2 hours which is also 7200 seconds

so average speed = ( 143000 / 7200 ) m/s

average speed = 19.86 m/s

In second case

total distance is 160 km which is also 160000 m

and total time is 3 hours and 15 minutes which is also 11700 seconds

so average speed = ( 160000 / 11700 ) m/s

average speed = 13.67 m/s

So to conclude with we have find the the average speed in both cases by dividing total distance by total time and in first case we have got our answer as 19.86 m/s and in second case we have got 13.67 m/s.

Learn more about speed here:

brainly.com/question/4931057

#SPJ10

7 0
2 years ago
A house of mass 500 kg is lifted 25 m by balloons.
Evgen [1.6K]
Gpe = mgh
Gpe = 500*10*25
Gpe = 125000J
7 0
3 years ago
Un móvil se desplaza con MRU. Calcular su velocidad, en km/hr, si recorre 742 yardas en 360 minutos.
lapo4ka [179]

Given :

Distance travelled, d = 742 yards.

Time taken to cover 742 yards, t = 360 minutes.

To Find :

The speed in km/h.

Solution :

We know, 1 yard = 9.14 × 10⁻⁴ m.

So, 742 yards = 0.678 km.

Also, 360 minutes = 6 hours. ( 1 hour = 60 minutes )

So, speed in km/hr is given by :

Speed = \dfrac{0.678}{6}\ km/hr\\\\Speed = 0.113 \ km/hr

Hence, this is the required solution.

5 0
3 years ago
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