Our sun radiates 4 x 10^26 joules of energy each second it shines. calculate how many 50 megaton hydrogen bomb explosions would be needed to produce the same 4 x 10^26 joules of energy that the sun radiates in one second.?

What is a subatomic particle with a negative charge and very little mass?

What is the speed vfinal of the electron when it is 10.0 cm from charge 1?

Part of a control linkage for an airplane consists of a rigid member cb and a flexible cable ab. if a force is applied to the end b of the member and causes it to rotate by θ = 0.5°, determine the normal strain in the cable. originally the cable is unstretched.