Helen sees andy at the dance that she crush on and decides to chase him down. find speed if she runs 87.3m in 4.9s

The chemical effect of the endocrine system is longer lasting than the chemical effect of the nervous system. select the best answer from the choices provided t f

Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.

Asmall 12.00g plastic ball is suspended by a string in a uniform, horizontal electric field with a magnitude of 10^3 n/c. if the ball is in equilibrium when the string makes a 30 ° angle with the vertical, what is the net charge on the ball?