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Hunting Magnetic Gun
Magnetism word problems help?
1) Dean is hunting in the Northwest Territories at a location where the earth's magnetic field is 7.0 x 10^-5T. He shoots by mistake at a duck decoy, and the rubber bullet he is using acquires a charge of 2.0 x 10^-12C as it leaves his gun at 300 m/s, perpendicular to the earth's magnetic field. What is the magnitude of the magnetic foce acting on the bullet?
2) A wasp accumulates 1.0 x 10^-12 C of charge while flying perpendicular to the earth's magnetic field of 5.0 x 10^-5T. How fast is the wasp flying if the magnetic force is acting on it is 6.0 x 10^-16 N?
3) Kron, the alien freedom fighter from the planet Krimbar, shoots his gun that fires protons at a speed of 3.0 x 10^6 m/s.
a) what is Krimbar's magnetic field if it creates a force of 2.88 x 10^-15N on the protons?
b) How does this compare to earth's magnetic field?
hah, im doing these problems too.
the first one i have 4.2x10^-14
i used the B= F/qvsintheta or you can use F=qvB
the second one i have 8.3x10^22m/s
i used that second formula.
i hope these are right.
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www.dankung.com Magnetic ring and hunting slingshot
Problems with my 760 Pumpmaster gun!?
I bought this Air soft gun from a yard sale today. Came with the gun itself, and 1500 Copperhead BBS. I was plinking around all day, shooting cans, having fun. I then looked up BBS vs. Pellets online, and realized I wanted to buy pellets. I went out and bought 300ct. Hunting Pellets from Crosmen. I got home and soon realized that they weren't magnetic. I always just brought the pin up a little until I could see the magnetic part, put the BB directly on it, and it always stuck. I tried it with these, and it wouldn't work. I've only shot off 3 pellets because it would take 5 minutes to load them. I really want to use the pellets instead of the BBS, can anyone please help me???
Crosman 760 - manual
http://www.pyramydair.com/site/manuals/crosman-C66.pdf
The manual will show you how to more efficiently load and unload both BBs and pellets.
BBs are steel, pellets are usually lead*, so no they are not affected by a magnet.
*there are some pellets made from tin alloy
Crosman 760 - specs & info
http://www.pyramydair.com/p/crosman-760-pumpmaster-air-rifle.shtml
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Apparently not. Edit: Oh look, a cheaper one! Same brand for cheaper Some talk: >Kaboom, I agree with you about the single magnet concept; I played with that but didn’t find it suitable as it only allows for one orientation, unless I used a magnet so strong that detaching was a hassle. With two though – one fore and one aft so to speak – you can orient the gun either vertically or horizontally and hanging either under or against something; I prefer the horizontal/under as it’s much more low-profile. The trick to detaching it easily is to lever and twist, and it certainly took me a bit of practice.
Apparently not. Edit: Oh look, a cheaper one! Same brand for cheaper Some talk: >Kaboom, I agree with you about the single magnet concept; I played with that but didn’t find it suitable as it only allows for one orientation, unless I used a magnet so strong that detaching was a hassle. With two though – one fore and one aft so to speak – you can orient the gun either vertically or horizontally and hanging either under or against something; I prefer the horizontal/under as it’s much more low-profile. The trick to detaching it easily is to lever and twist, and it certainly took me a bit of practice.