A. What is the impulse acting on the block? b. What is the change of momentum in the block? c. What is the final speed of the block if it was originally at rest? d. What is the final speed of the block if it was originally moving at 13.5 m/s?

From 0 to 5 seconds john pushed a box 5 meters. from 5 to 10 seconds, paul pushed the same box another 5 meters. who did more work? a. john b. paul c. john and paul did the same amount of work.

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

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?