Question

Any questions on military physics?

Answer 1

ya what is military physics?

Answer 2

Dear @shayanreloaded,
Military physics is the physics behind the machines of war that we employ to win a battle.
It can be anything from artillery, to aircrafts.
With regards,
@Arnab_Chatterjee

Answer 3

k

Answer 4

?

Answer 5

What is the pitch?

Answer 6

If simply said, pitch is the angle by which the elevator is hinged upward or downward.

Answer 7

hey i think this problem is similar to the cyclist executing a loop....u have to equate the kinetic and potential energies and do it..i have the expressions in my text book..am i rit arnab?

Answer 8

Way different.....a cyclist is cycling on a planar surface. Where here, we need to find out the airflow, the lift, the angle of attack and pitch...

Answer 9

so how will u do it now?

Answer 10

I told him to supply the pitch...

Answer 11

Lift is an unit of force, not length..

Answer 12

My friend..then the aircraft designers must leave their jobs..... 56 N is impossible to keep an aircraft flying which weighs at least 5000 kgs. that too at 720 km/hr.

Answer 13

A military column of trucks, L, is 28.0 km long. Coincidentally, it is driving west at a constant 28.0 km/hr. The commanding general, in truck G, is at the head of the column. At the moment truck G reaches the border line of the combat zone, the communication officer in truck C at the very back end of the column pulls out with a message for the general. Truck C drives west alongside the column at a constant velocity, V. Later, at a time, t, truck C reaches G. Truck C immediately turns around and drives back toward the rear. He reaches the end exactly 1.00 hour after he started his drive to the front.
What was the constant velocity, V, of Truck C?

Answer 14

I got the answer it is 67.59797975 km/hr.

Answer 15

correct

Answer 16

I used my calculator...

Answer 17

what is the stroboscopic effect?

Answer 18

i saw in a video that it can be demonstrated with a flight's jet engine's fan(what is that name?)

Answer 19

The Stroboscopic Effect is the effect caused by aliasing when you view a constant motion in quick short flashes or series. And it is called a Turbofan.

Answer 20

i got a problem in classical physics can i ask?

Answer 21

@Arnab_Chatterjee can i ask?

Answer 22

its a problem on work energy theorem

Answer 23

Go on...

Answer 24

physical example of storoboscopic effect is when voltage goes down and your tube light starts flickering rapidly you look on fan and you can see its wings appearing stationary for a while.

Answer 25

if i am not wrong :P

Answer 26

IF no external force act(or the work done by them is 0) and the internal forces are conservative, the mechanical energy remains constant.

BUT if u consider two charges 1 positive other negative they both attract each other, when we consider them as a system their attraction forces become internal and since force is internal the energy should remain constant which means no work is done but how is this possible since the objects have moved some distance that two with force applied on them

Answer 27

Correct example @theyatin

Answer 28

@Arnab_Chatterjee help please

Answer 29

i didn't get what you want to know?

Answer 30

Dear @Rdx ,
Please wait a bit..I have an urgent call.

Answer 31

I have your answer.

Answer 32

@theyatin well i m saying if internal force work then how can energy be constant

Answer 33

well i don't know. . . :D

Answer 34

When charges attract each other, they move towards each other due to the force of ionic attraction. At that time they act as separate ions and like in a Electrolytic Experiment, they move towards each other, although their energy is internal. It is the difference of charges that locomotates them. Thus they move some distance without any force applied on them.

Answer 35

So, what do you say @Rdx ?

Answer 36

umm 1 sec

Answer 37

well now i see the whole picture.
total energy is constant because it is a isolated system what ever happens inside the whole energy would be constant. . .
where ever the charges move what ever speed would be

Answer 38

@Arnab_Chatterjee they move becaus of their mutual force of attraction if they move in a smallest distance without ant force they violate newtons laws

Answer 39

They have a force of attraction...which as I mentioned is the force of ionic attraction due to variation in charges. (Similar principle is used in Static Electricity)

Answer 40

well do newtons laws are applicable on weak forces?? i dont tknow if it is

Answer 41

Sure, they are.

Answer 42

ok thanx. . .

Answer 43

so @Arnab_Chatterjee what u r saying is a direct contradiction to newtons laws

Answer 44

If the charges move to each other the energy stays constant in the system, one wins what the other one loses. You can visualize it like vertical movement using potential energy

Answer 45

finding Projectile or trajectory of a fired canon can become a good question on military physics.@Arnab_Chatterjee if find a good one please message me too.

Answer 46

Ok. @devarsh.ruparelia

Answer 47

range of a gun/ recoil /length of rifle/ mass of bullet many que may aris about many aspect :P

Answer 48

Go on...@theyatin I can also explain the working.

Answer 49

NAAAH I KNOW THIS STUFF DON'T NEED TO ASK . . I JUST GAVE OTHERS OPTIONS TO ASK QUE ABOUT. ..
EXPLAIN SILENCER USED IN PISTOLS IF YOU CAN. . .