An object moves in a circle of radius R at constant speed with a period LaTeX: T T
. By what factor should the period be changed so that the object's final acceleration magnitude is LaTeX: k
k
times its initial value (that is, LaTeX: a_f=k\,a
a
f
=
k
a
) where LaTeX: k=
k
=
0.553.

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? yourunits 3. a clothes dryer uses about 2 amps of current from a 240 volt line. how much power does it use? yourunits 4.

Is the portion of the electromagnetic spectrum that has a frequency just above that of visible light.

What are the differences and relationships between speed, velocity, and acceleration