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k0ka [10]
3 years ago
13

What do we call it when two or more moving objects exert forces on each other for a short period of time?​

Physics
1 answer:
ICE Princess25 [194]3 years ago
8 0

Answer:

It is called a collision.

Explanation:

When two objects bump into each other, this is called a collision. In physics, a collision doesn't have to involve an accident (like two cars crashing into each other), but can be any event where two or more moving objects exert forces on each other for a short period of time.

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A. Calculate the electric potential energy stored in a capacitor that stores <img src="https://tex.z-dn.net/?f=3.40%20x%2010%5E%
sertanlavr [38]

Part a)

As we know that energy stored inside the capacitor is given as

U = \frac{1}{2}CV^2

for a given capacitor we know

Q = CV

Now we can use it in above equation to find the energy

U = \frac{1}{2}QV

U = \frac{1}{2}(3.4\times 10^{-6})(24)

U = 40.8\times 10^{-6} J

PART b)

If two negative charges are hold near to each other and then released

Then due to mutual repulsion they start moving away from each other

Due to mutual repulsion as the two charges moving away the electrostatic potential energy of two charges will convert into kinetic energy of the two charges.

So here as they move apart kinetic energy will increase while potential energy will decrease

Part c)

As we know that capacitance is given as

C = \frac{Q}{V}

here we know that

Q = 3\times 10^{-10}C

V = 35 volts

C = \frac{3\times 10^{-10}}{35}

C = 8.6 \times 10^{-12} F

5 0
3 years ago
Read 2 more answers
Bjorn is holding a tennis ball outside a second floor window (3.5 meters from the ground) and billie jean is holding one outside
MArishka [77]
The answer is 1.01 x 10^(-11) N. I arrived to this answer through calculating the GPEs of both balls. Bjorn's ball has a GPE of 1.402 x 10^(-11) N. Billie Jean's ball has a GPE of <span>2.503 x 10^(-11) N. I subtracted the two and I found that Billie Jean's tennis ball has a GPE of 1.01 x 10^(-11) more than Bjorn's tennis ball.</span>
4 0
3 years ago
Help please I’ll mark as brainliest
IceJOKER [234]
Sorry for the messy handwriting but this is what I got

5 0
3 years ago
Please help me on this!
aalyn [17]

Answer:

erosion

Explanation:

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5 0
2 years ago
When baking soda is mixed with lemon juice, bubbles are formed with the evolution of a gas. What type of change is it? Explain.
lorasvet [3.4K]

\large{\underline{\underline{\pmb{\frak {\color {red}{Question:}}}}}}

\sf \red{When \: baking \: soda \: is \: mixed \: with \: lemon \: juice, \: bubbles \: are \: formed \: with \: the \: evolution \: of \: a \: gas.}

\large{\underline{\underline{\pmb{\frak {\color {blue}{Answer:}}}}}}

When baking soda is mixed with lemon juice, bubbles are formed with the evolution of a gas. The gas is formed in the reaction is Carbon dioxide. CO_{2} is formed.

The change which happened in this reaction is a chemical change.

\boxed{ \frak \green{Explanation}}

Since, in chemical change we can't bring a substance to it's actual form how it was in earlier.

Examples: burning of paper is chemical, since we can't get the fine paper again after it is burnt.

Thus, the above reaction is also a chemical change, since we can't get back the lemon juice how it was earlier.

\boxed{ \frak \red{Brainlysamurai}}

5 0
2 years ago
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