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Natasha_Volkova [10]
4 years ago
13

What features make a question scientific, and why are some questions beyond the boundaries of scientific investigation?. .Cite a

n example to support your answer
Physics
1 answer:
Temka [501]4 years ago
8 0
<span>A question is scientific when it can be answered by using logic and scientific information we have currently, or if there is scope for it to be answered in future because of further development in technology / theories. Scientific questions are based on facts that are observed, just like that of magnet attracting bits of iron, etc. Few questions like existence of God / existence of demons are beyond science as they are not based on any observation.</span>
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A bicyclist increases her speed from 4.0 m/s to 6.0 m/s. The combined mass of the bicyclist and the bicycle is 55 kg. How much w
11Alexandr11 [23.1K]
Kinetic energy of the horse and rider = 1/2 (mass) (speed)²

At 4.0 m/s :  KE = 1/2 (55kg) (4 m/s)²  =  440 joules

At 6.0 m/s :  KE = 1/2 (55kg) (6 m/s)²  =  990 joules

She increased the kinetic energy of herself and her vehicle by 550 joules,
so she must have put at least that much work into it.
4 0
4 years ago
Read 2 more answers
Can someone help?? 3/5
ycow [4]

Answer:

Yes to answer is 3/5 of what

8 0
3 years ago
Precautions taken when doing experiment on simple pendulum​
olchik [2.2K]

Answer:

1.)The bob of pendulum should be displaced with a small angle.

2) The amplitude of the oscillation of a simple pendulum should be small.

3) Fans should be switched off to reduce the air resistance.

4)The simple pendulum should be oscillate in a vertical plane

Hope this helped you

7 0
4 years ago
an object is moving with a velocity 10 m/s but its slowing down.After 2m it has stoppes.What was the acceleration?​
s344n2d4d5 [400]

Answer:

Explanation

distance= speedx time

time= 2m/(10m/s) =0.2s

a = v-u/t

a = 0-(10m/s)/0.2s

a= -50m/s2

5 0
4 years ago
The surface area of the earth's crust is 5.10*10^8km^2. The average thickness of the earth's crust is 35km. The mean density of
Mars2501 [29]

Answer:

The answer is V = 1.785 \times 10^{10}\ Km^3.

Explanation:

You are asking only for the total volume, so the important data here is the surface area of the earth's crust,

A = 5.10 \times 10^8\ Km^2

and the average thickness of the earth's crust,

h = 35\ Km.

Imagine that you can stretch the surface area as if it were a blanket, now if you want to calculate its volume, you just need to multiply its area by its thickness,

V = A*h = 1.785 \times 10^{10}\ Km^3.

4 0
3 years ago
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