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Alik [6]
3 years ago
9

Which part of the firearm loads, fires, and ejects shells or cartridges?

Physics
1 answer:
Natalka [10]3 years ago
4 0
If your possible answers are
<span>stock
action
barrel
trigger

Then the correct answer is action. The action part activates when you pull the trigger. What happens is that a little metal piece hits on the back of the bullet and ignites it, and it gets propelled outside. The weapon recoils and the casing falls out, and the next bullet is put into the barell. </span>
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The SI base units have the dimensions of: Group of answer choices mass, weight, time length, density, time mass, length, time we
Nutka1998 [239]

The SI base units have the dimensions of: length, mass and time.

<h3>What are SI base units?</h3>

The SI base units are the internationally accepted system of units of fundamental quantities.

These SI base units consist of system of units of measurement starting with seven base units, which are as follows:

  • second (s): the unit of time
  • metre (m): The unit of length kilogram (kg): the unit of mass
  • ampere (A): the unit of electric current
  • kelvin (K): the unit oftemperature
  • mole (mol.): the unit of amount of substance
  • candela (cd):the unit of luminous intensity

Learn more about SI base units

brainly.com/question/4950932

8 0
2 years ago
A straight wire segment 5 m long makes an angle of 30° with a uniform magnetic field of 0.37 T. Find the magnitude of the force
SIZIF [17.4K]

Answer:

The magnitude of the force on the wire is 2.68 N.

Explanation:

Given that,

Length of the wire, L = 5 m

Magnetic field, B = 0.37 T

Angle between wire and the magnetic field, \theta=30^{\circ}

Current in the wire, I = 2.9 A

We need to find the magnitude of the force on the wire. The magnetic force in the wire is given by :

F=BIL\ \sin\theta\\\\F=0.37\ T\times 2.9\ A\times 5\ m\times \ \sin(30)\\\\F=2.68\ N

So, the magnitude of the force on the wire is 2.68 N. Hence, this is the required solution.

7 0
3 years ago
John is asked to calculate the power output of a machine. What unit should be use for his answer?
Margaret [11]
The answer is B. Watt
7 0
3 years ago
Can a compound be separated by physical means?
Julli [10]

No,  it is not possible.
A compound is a substance or material constituting of two or more elements that have been chemically combined together to form a new, different substance

Any elements that have been joined together chemically can only be separated back into their constituent elements by chemical means because the bonds holding them together can only be broken using chemical means.

A good example is sodium chloride, table salt. Poisonous chlorine gas and toxic sodium metal react together whereby sodium loses one electron which chlorine readily accepts and in the process an ionic bond is formed between the two resulting in a totally new, harmless compound , sodium chloride.

Only through electrolysis can sodium chloride be separated back into sodium and chlorine gas. No physical means can be used to do that.

3 0
4 years ago
A proton and an electron in a hydrogen atom are separated on the average by about 5.3 × 10−11 m. What is the magnitude and direc
Genrish500 [490]

Answer:

1. 5.12068 × 1011 N/C away from the proton

Explanation:

The electric field produced by a single point charge is given by:

E=k\frac{q}{r^2}

where

k is the Coulomb's constant

q is the magnitude of the charge

r is the distance from the charge

In this problem, we have:

q=1.6\cdot 10^{-19}C is the charge of the proton

r=5.3\cdot 10^{-11} m is the distance at which we want to calculate the field

k=8.99\cdot 10^9 Nm^2C^{-2} is the Coulomb's constant

Substituting into the formula,

E=(8.99\cdot 10^9 Nm^2C^{-2})\frac{1.6\cdot 10^{-19}C}{(5.3\cdot 10^{-11}m)^2}=5.12068\cdot 10^{11} N/C

And the direction of the electric field produced by a positive charge is away from the charge, so the correct answer is

1. 5.12068 × 1011 N/C away from the proton

4 0
4 years ago
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