our friend Bob is riding on a skateboard with velocity w relative to the lab, while observing the same experiment. Will Bob also think that momentum is conserved

One number is said to be an "order of magnitude" larger than another number if choose one: a. it is 10 times larger. b. it is 5 times larger. c. it is 3 times larger. d. it is 100 times larger. e. it is 2 times larger.

Chi walked 100 meters in 5 minutes. she took another 15 minutes to walk another 400 meters to reach her house. what is her average speed?

Which if the following types of research is conducted on multiple occasions over time