The atomic mass of an element a. the sum of the protons and electrons in one atom of the element b. twice the number of protons in one atom of the element c. a ratio based on the mass of carbon-12 atom d. a weighted average of the masses of an elements isotopes

Acar of mass m goes around a banked curve of radius r with speed v. if the road is frictionless due to ice, the car can still negotiate the curve if the horizontal component of the normal force on the car from the road is equal in magnitude to 101) a) mv2/r b) mg/2. d) mg e) tan[v2/(eg)]

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? your