A centrifuge is used to test space pilots. The centrifuge spins with a centripetal acceleration of 6.54 g. If the length of the centrifuge's arm is 21 m, what is the speed of the centrifuge?

What happens to light waves from a star as the star moves away from earth?

Two rigid transformations are used to map δhjk to δlmn. the first is a translation of vertex h to vertex l. what is the second transformation? a reflection across the line containing hk a rotation about point h a reflection across the line containing hj a rotation about point k

4. a 75.0 g piece of ag metal is heated to and dropped into 50.0 g of water at the final temperature of the mixture is what is the specific heat capacity of silver? 5. a 465 g chunk of iron is removed from petrucci, ralph h.. general chemistry (p. 290). pearson education. kindle edition.