Which object has kinetic energy?
a. a person running on the sidewalk
b. a person standing at the top of stairs
c. a bird perched in a tree
d. a ball sitting under a table
1 answer
a. a person running on the sidewalk
a. a person running on the sidewalk
b. a person standing at the top of stairs
c. a bird perched in a tree
d. a ball sitting under a table
1 answer