Abasketball player runs a drill in which he runs the
length of the 30.0 meter court and back. he does
this three times in 50.0 seconds.
30. m
(not drawn to scale)
1. the magnitude of the player's total displacement
after running the drill is
(1) 0.0 m
(2) 30.0 m
(3) 60.0 m
(4) 180 m

The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?

Should we celebrate the voyages of zheng he mini q answer key