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3 years ago

Which of the following is a characteristic of a lever action firearm?

Physics

1 answer:

Setler79 [48]3 years ago

3 0

I believe the answer would be A that you move the lever away from you to load the rifle (I know since I had such a rifle). This action places a shell into the firing chamber so that it is ready to fire so makes it convenient to re-load unlike where a shell must be placed in the chamber by hand each time such as is the case with many 0.22 rifles.

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How does the structural of unicellular and multicellular oraganism differ

GenaCL600 [577]

The structural of the unicellular organism and the multicellular organism differs in a broad variety of ways. The main differences you need to know between these two cells are the following.

- Unicellular organism is composed with only one cell.

- Multicellular organism is made up of two or more cells.

- Unicellular are mostly prokaryotes, while multicellular is mainly considered as eukaryotes.

- Unicellular organisms are more smaller and less complex than multicellular organisms.

Hope this helped!

6 0

2 years ago

How does the construction of dams positively affect natural resources?

Radda [10]

C. By preventing flooding, creating reservoirs, and providing water for irrigation

4 0

3 years ago

A person in his motorboat travels from his home to his work. It travels 50 m in a direction 60 degrees north of east. He then tu

otez555 [7]

Answer:

kinda hard

Explanation:

its so hard i dont know anything attualy tommorow i have a math exam rip my life

6 0

2 years ago

A space station, in the form of a spoked wheel 120 m in diameter, rotates to provide an artificial gravity of 3.00 m/s² for pers

lubasha [3.4K]

Answer:

2.12 rpm

Explanation:

$a_c= Centripetal\ acceleration=3.00\ m/s^2\\r=radius=\frac {120}{2}=60\ m\\a_c=\frac {v^2}{r}\\\Rightarrow v^2=a_c\times r\\\Rightarrow v^2=3\times 60=180\\\Rightarrow v=\sqrt{180}=13.41\ m/s\\$

$v=\omega r\\\Rightarrow \omega=\frac {v}{r}\\\Rightarrow \omega=\frac {13.41}{60}\\\Rightarrow \omega=0.2236\ rad/s\\1\ rad/s=9.55\ rpm\\\Rightarrow 0.2236\ rad/s=2.12\ rpm\\\therefore Wheel\ rotations=2.12\ rpm$

3 0

3 years ago

A mass of 0.34 kg is fixed to the end of a 1.4 m long string that is fixed at the other end. Initially at rest, he mass is made

frozen [14]

At time $t$ seconds, the mass has angular speed

$\omega = \left(3.31\dfrac{\rm rad}{\mathrm s^2}\right) t$

and hence linear speed

$v = (1.4\,\mathrm m) \omega = (1.4\,\mathrm m) \left(3.31\dfrac{\rm rad}{\mathrm s^2}\right) t$

After 8 s, its linear speed is

$v = (1.4\,\mathrm m) \left(3.31\dfrac{\rm rad}{\mathrm s^2}\right) (8\,\mathrm s) = 37.072 \dfrac{\rm m}{\rm s} \approx 37 \dfrac{\rm m}{\rm s}$

and has centripetal acceleration with magnitude

$a = \dfrac{v^2}{1.4\,\rm m} \approx 981.667\dfrac{\rm m}{\mathrm s^2} \approx 980 \dfrac{\rm m}{\mathrm s^2}$

To maintain this linear speed, by Newton's second law the required centripetal force should have magnitude

$F = (0.34\,\mathrm{kg}) a \approx 333.767\,\mathrm N \approx \boxed{330 \,\mathrm N}$

5 0

2 years ago