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bagirrra123 [75]
3 years ago
15

what are geology,astronomy,and physics is the answer hypothesis,scientific inquiries,scientific discplines,or protocols?

Physics
1 answer:
vesna_86 [32]3 years ago
3 0
Geology, astronomy, and physics are scientific inquiries
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A person throws a ball straight up in the air. The ball rises to a maximum height and then falls back down so that the person ca
Lana71 [14]

Answer:

The acceleration is about 9.8 m/s2 (down) when the ball is falling.

Explanation:

The ball at maximum height has velocity zero

t = Time taken

u = Initial velocity

v = Final velocity

s = Displacement

a = Acceleration due to gravity = 9.8 m/s² (positive downward and negative upward)

v=u+at\\\Rightarrow 0=u-9.8\times t\\\Rightarrow u=9.8t

The accleration 9.8 m/s² will always be acting on the body in opposite direction when the body is going up and in the same direction when the body is going down. The acceleration on the body will never be zero

5 0
3 years ago
A 10cm long wire is pulled along a U-shaped conducting rail in a perpendicular magnetic field. The total resistance of the wire
soldi70 [24.7K]

Answer:

a)  v=4.0m/s

b)  B=2.958T

Explanation:

From the question we are told that:

Wire Length l=10cm=>0.10m

Resistance R=0.35

Force F=1.0N

Power P=4.0W

a)

Generally the equation for Power is mathematically given by

P=Fv

Therefore

v=\frac{P}{F}

v=\frac{4.0}{1.0}

v=4.0m/s

b)

Generally the equation for Magnetic Field is mathematically given by

B=\frac{\sqrt{PR}}{vl}

B=\frac{\sqrt{4*0.35}}{4*0.10}

B=2.958T

5 0
2 years ago
Which property of potential energy distinguishes it from kinetic energy
Bas_tet [7]

Answer:

Shape and position

Explanation:

Hope this helps! :)

7 0
2 years ago
Rank the ten objects from loudest to softest.
frez [133]
Um what are the ten objects..?
5 0
3 years ago
Fifty points please help?
Zina [86]

it would be C laminated soda lime glass

6 0
3 years ago
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