You expend 1000 w of power moving a piano 10 meters in 5 seconds. how much force do you exert a. 50 n b. 50000 n c.250 n d. 500 n

The discovery that the universe appears to be expanding led to a widely accepted theory called a.) the big bang theory b.) the doppler effect c.) hubble’s law d.) solar nebular theory e.) the seyfert theory

Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.

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