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Zepler [3.9K]
3 years ago
15

the radius of planet is drecresing by 50%without changing its mass . the acceleration due to gravity will be?​

Physics
1 answer:
tigry1 [53]3 years ago
4 0

4 times more then real

Explanation:

if the radius of the earth decrease by 50% then the acceleration due to gravity increases by 4 times.

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All of the noble gases, Group 18, have eight valence electrons in its outer shell (excluding helium which only has two). Which o
ikadub [295]

Answer:

Zero or +2

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Their normal oxidation number is zero but some have been shown to be reactive.

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3 years ago
Three samples of gas each exert 740. mm Hg in separate 2 L containers. What pressure do they exert if they are all placed in a s
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According to Dalton's law of partial pressure, the total pressure exerted is simply equal to the sum of the partial pressures of the individual gases. Given that all three samples of gas each exert 740 mmHg, when they are placed in a single 2 L container, they exert a pressure of 2220 mmHg on the container which is the sum of their individual pressures. 
5 0
3 years ago
If an object accelerates at 40 m/s^2 in four minutes ("careful this is in minutes),
yaroslaw [1]

Change in speed = (acceleration) x (time)

4 minutes = 240 seconds

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Change in speed = <em>9,600 m/s</em>

What you're actually describing here is a car pulling 4 G's for 4 minutes, and ending up going 21,475 miles per hour.

The driver would definitely NOT get a speeding ticket, because nobody could catch him.

Also, his car would heat up and shoot flames from atmospheric friction.

(He could avoid this with some fancy steering, leave the atmosphere, and end up in low-Earth-orbit.)

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3 0
3 years ago
Which of the following is an example of a force? Question 13 options: a) push b) pull c) inertia d) both A and B e) all of the a
kupik [55]
Hey there! :D

Force is energy or strength that as the characteristic of movement or physical action. 

A push or pull is a force. It moves something physically. If I was going to push a door for it to open, I would physically be moving it. 

Inertia is a common tendency to remain unchanged or do nothing. If you are not doing anything, you are not applying force or movement to anything. This would not be the correct answer. We can eliminate "C" and "E"

Since a push and pull both are a force, then "D" is the answer. They both are.

I hope this helps!
~kaikers 


4 0
3 years ago
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