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Helga [31]
3 years ago
12

A rifle with a longer barrel can fire bullets with a larger velocity than a rifle with a shorter barrel. a) Explain this using t

he impulse-momentum theorem. b) Explain this using the work-energy theorem
Physics
1 answer:
n200080 [17]3 years ago
6 0
 Its mainly about how much gunpowder is used in the shell. Thats all I got. XD
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Please help me with both of them
8_murik_8 [283]

Answer:

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546213171549895465621324547998995656565656565656565722426579898541321447985331321

Explanation:

4 0
3 years ago
An object's potential energy is set it cannot change is this true
zepelin [54]
The energy achieved I think
8 0
3 years ago
Read 2 more answers
A source charge generates an electric field of 4286 N/C at a distance of 2. 5 m. What is the magnitude of the source charge? (Us
svp [43]

The magnitude of the source charge is 3 μC which generates 4286 N/C of the electric field. Option B is correct.

What does Gauss Law state?

It states that the electric flux across any closed surface is directly proportional to the net electric charge enclosed by the surface.

Q = \dfrac {ER^2}k

Where,

E = electric force = 4286 N/C

k = Coulomb constant = 8.99 \times  10^9 \rm\ N m ^2 /C ^2

Q\\
     = charges = ?

r = distance of separation = 2.5 m

Put the values in the formula,

Q  = \dfrac {4286\times  2.5 ^2}{8.99 \times  10^9 }\\\\
Q  = 3\rm \  \mu C

Therefore, the magnitude of the source charge is 3 μC.

Learn more about Gauss's law:

brainly.com/question/1249602

8 0
2 years ago
As the distance between two charged objects increases, the strength of the electrical force between the objects
GuDViN [60]

Answer:

I believe the answer is It increases

4 0
3 years ago
What is the longest wavelength in the molecule’s absorption spectrum??
Alisiya [41]
The longest wavelength in the Molecule's absorption spectrum is 2250nm
6 0
3 years ago
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