A person runs around a semi-circle of radius 10m. a) What is the person's
distance? b) What is the person's
displacement?

What is the order of the moon, earth, and sun in a lunar eclipse and a solar eclipse?

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

Determine el momento angular de un rueda de 3000g moviendose a 10m/s con un radio de giro de 400cm