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vredina [299]
3 years ago
13

How does the comets energy change as it moves from point A to point B?

Physics
2 answers:
Finger [1]3 years ago
6 0

Answer:

KE decreases, GPE increases

Explanation:

A Px

katrin [286]3 years ago
4 0

Answer:

a comet would go faster

Explanation:

the comet is being slingshotted by the suns immense gravitational pull

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Consider a 4-m-long, 4-m-wide, and 1.5-m-high above-the-ground swimming pool that is filled with water to the rim. (a) Determine
pashok25 [27]

Answer:

44100 N

Explanation:

Each wall will have dimension of 4 m x 1.5 m

Whole force will act on central point of wall situated at a depth of 1.5 /2 = .75m

pressure at CM = h d g , h = .75 , d ( density of water = 10³ )

pressure at CM = .75 x 10³ x 9.8

= 7350 N / m²

Total force on each wall

= pressure x area

= 7350 x 4 x 1.5

= 44100 N Ans

b ) If h = 1.5 x 2 = 3

Pressure = hdg

1.5 x 10³ x 9.8

= 14700 N / m²

Force

= pressure x area

14700 x 3 x 4

= 176400 N

Which is 4 times 44100 N

So force will quadruple.

It is so because both area and height have become twice.

3 0
3 years ago
The fast server in women's tennis is Venus Williams, who recorded a serve of 130 mi/h (209 km/h) in 2007. If her racket pushed o
lidiya [134]
Use the formulav^2 = u^2 + 2*a*swhere v is the final velocity of the ballu is the initial velocity of the balls is the displacement of the balla is the acceleration 
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130^2 = 0^2 + 2a(0.1)solve for a
a = 84500 m/s2
5 0
3 years ago
Renald completed only one trial of his experiment. What effect will this most likely have?
Svetach [21]
The results are more likely to have errors.
6 0
3 years ago
Read 2 more answers
What is a gear. Please give detailed explanation
mestny [16]

Answer:

gear is part of vehicle.it helps.

3 0
3 years ago
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When the speed of electrons striking the anode is increased, the of the ______ of the emitted x-rays increases
Kipish [7]

The speed of electrons striking the anode is increased, the density of the emitted x-rays increases.

Answer: Option 2

<u>Explanation:</u>

Whenever electrons are made to be incident on any anode, they will be interacting with the surface atoms of anode. So these interaction will lead to excitation of electrons of the surface atoms of the anode.

Thus when the excited electron will come back to ground state, it will emit x-rays. Thus, on increasing the speed of the striking electrons, it will gain the property of interacting with larger amount of surface atoms leading to increase in the emission of X-rays .

Thus, this increase in the emission of X-rays will lead to increase in the density of X-ray. So the speed of electrons striking the anode is increased, the density of the emitted x-rays increases.

8 0
4 years ago
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