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Inga [223]
3 years ago
10

Hi, I have a question if I calculate the average force that must be exerted on a 0.145 kg baseball for me to give it an accelera

tion of 130 m/s2. How would I get I get the acceleration would I divide 130 by 0.145 kg to get the acceleration?
​
Physics
1 answer:
faltersainse [42]3 years ago
7 0
Newton’s Second Law: Force = mass times acceleration.

F = 0.145 * 130

You would multiply to find the force required, not divide. Hope this helps!
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two charges experience exert a force of 1n on each other when they are 1m apart. what force will these charges experience if the
Kisachek [45]

The force experienced by the charges when they are placed 2 m apart will be 0.25 N.

The force between two charges is given by Coulomb’s Law.

According to this law, the force between two charges varies inversely as the square of the distance between the charges and is directly proportional to the product of the magnitude of the two charges.

The above statement is represented by the following equation,

F= K Q1 x Q2/r^2

Here, F = Force between the two charges

K = Constant

Q1 and Q2 =  Magnitude of the two charges

r = Separation between the two charges

According to this equation, the force is inversely proportional to the square of the distance between two charges.

Initially, when the two charges are 1 m apart, the force is 1 N.

When the distance between the two charges is doubled,

then according to Coulomb’s Law, the force should decrease by 4 times.

Hence, if the charges are placed 2 meters apart,  the force becomes 1/4= 0.25 N.

To know more about "Coulomb's Law", refer to the following link:

brainly.com/question/9261306?referrer=searchResults

#SPJ4

8 0
1 year ago
How many elections do atoms typically “want” in their valence shell? This is timed, please help!
9966 [12]

Answer:

They typically "want" 2, so the answer is C.

Explanation:

4 0
3 years ago
From what height must an oxygen molecule fall in a vacuum so that its kinetic energy at the bottom equals the average energy of
alexandr1967 [171]

Answer:

The  value is  h  = 11930 \ m

Explanation:

From the question we are told that

    The  temperature is  T  =  300 \  K

     

Generally the root mean square speed of the  oxygen molecules is mathematically represented as

        v  =  \sqrt{\frac{3 *  R  *  T }{M} }  =  \sqrt{ 2 *  g  *  h }

Here  R is the gas constant with a value  R  =  8.314 \  J\cdot K^{-1} \cdot \  mol^{-1}

    M  is the molar mass of oxygen molecule with value M  =  0.032 \  kg /mol

So  

     \frac{3 *  8.314   *  300 }{0.032}   =  2 *  9.8  *  h

=>    h  = 11930 \ m

   

4 0
3 years ago
Why does Quito, Equator has very little changes to the daylight hours<br> throughout the year?
marin [14]

Because of the position on the equator, the change in rotation of the Earth on its axis throughout the year doesn't affect it much. Unlike the poles, Quito is almost constantly in direct view of the sun. So, because of lack of change in rotation, the daylight hours are hardly varied as Quito is almost constantly in more or less the same spot in relation to the sun.

4 0
3 years ago
With the water trap being used, all the possible sources of error would be eliminated.
Phoenix [80]

Answer:

True

Explanation:

7 0
3 years ago
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