Cyclist A starts off from an origin with a rectilinear trajectory and at speed of 72 km/h. At the
same time, another cyclist B, placed 30 km in front of A, starts off in the opposite direction at a
speed of 36 km/h. When and where they find each other?

Which characteristics can be used to differentiate star systems? check all that apply.

Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?

What are the advantages of using the metric system? designed as a decimal system making conversions simpler more accurate system of measurement has prefixes that correspond to an amount to use with all base units used by the entire scientific community