A car starts from rest and after 7 seconds it is m oving at 42m/s What is the car's average acceleration? 6m/s^wedge 2 1.67m/s^wedge 2 0.17m/s^wedge 2 7m/s^wedge 2PE_(g)=mgh PE_(elastic)=(1)/(2)kx^2 KE=(1)/(2)mv^2 P=(Work)/(t) W=Fd W=Delta KE W=PE=KE A 6 kg book is resting on a shelf that is 2 m above the floor. How much gravitational potential energy does the book-earth system have? 12.3 3J 303 120 JA ball is attached to a string is moving counterclockwise in a vertical circle. if the string is cut exactly at the point where the ball is at the top of the circle, what direction would the ball move in initially? left square upward downward rightfor the bar to fall on the floor? 7.35 s 276 s 0.39 5 147 s Other. Rudy drops a chocolate bar from a height of 0.75 m. How long does it take 5 poinWhat is voltage measured in? V (Volts) W (Watts) Omega A (Amps)PREV 104105106107108109110111112 NEXT
