Which has more momentum: a 30 kg bicycle moving at 10 m/s or a 300 kg car at rest? A bicycle
B car
c they have the same momentum

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

Energy flows from the producer level to the level. is called

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a. true or b. false