Recent content by St@rbury

can u explain that a bit further? and also I am a bit sketchy on transfer of charge...mind explaining that as well?

Electric fields..hu?...help please can someone please explain electic fields and electic field lines?

i mean using the hand rule...how do i do it?

what about finding the direction of induced current?

Magnetism! Help! can someone please explain the hand rule thing to me...i am dead lost when teacher is explaining it. All i know is that your thumb is N and the bottom of your hand is S...please help!

ok nice...what about the other problems?

yes i know that, so is my reasoning correct?

and another question, During batting practice, a baseball player hits a baseball three different times. He makes contact with the ball at the same height and the ball leaves the bat with the same speed each time. The only difference is the angle with which the ball leaves the bat. He first...

also, another question a shopping bag is hangg straight down from your hand as your walk across a horizontal floor. does the force that your hand exerts on the bag's handle do any work> does this force do any wokr while you are ruding up and elevator? does this force do any work while you are...

suppose an atomobile has a kinetic energy of 20,000J. If it moves twice as fast, what will be its kinetic energy? three times as fast? i think that if the velocity is 2 times as fast, then the energy will be 2times^2, and if it is 3 times as fast, then it will be 3times^2...is that correct...

what are the general equations used with circular motion?

centripical force PLEASE HELP! i don't understand the concept of centripical force nor how do find it...my book is extremely confusing can some1 please explain?

can some1 please explain centripical accleration? i don't get it at all

5. the acc, of the person relative to the car is zero on impact, thrusting them backwards and snaping their neck. the head rest prevents your neck from going all the way back and reducing the amount of damage caused?...i think..

in the third, it doesn't say that the accleration dec. so i presume that i remains constant, but what i don't know is what law, def,. or concept i used to describe that...i just saw that logically... and the 2nd seems like you mean centripical force, but once again i don't understand y it...