Which two descriptions would you use to describe a distance-and-time graph? a
It illustrates a change in speed
b
Time is graphed on the y-axis and distance is graphed on the x-axis
c
Time is graphed on the x-axis and distance it graphed on the y-axis.
d
It illustrates changes in position
.

=force × distance a. work b. velocity c. pressure d. momentum

Asmall object with mass 0.200 kg swings back and forth on the lower end of a light rope that is 3.00 m long. the upper end of the rope is attached to the ceiling. as the object swings through its lowest position, where the rope is vertical, the speed of the object is 5.80 m/s. at this point in the motion, what is the tension in the rope? (use g = 9.80 m/s2.)

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.