A 30,000kg train moves at 45m/s How how much kinetic energy with the train have?
A. 30,375,000J
B. 30,375J
C. 60,750,000J
D. 675,000J

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

There are multiple tuning forks present in the room, and annie strikes one with a natural frequency of 400 hz. which of these other tuning forks will begin to vibrate through resonance and make the sound louder? a 200 hz tuning fork a 400 hz tuning fork a 800 hz tuning fork a 1600 hz tuning fork

Carbon tetrachloride (ccl4) is ionic or convalent