A ball is thrown vertically in the air at an initial velocity of 25.0 m/s. A)How high did the ball fly (maximum height)?

B)How long is the ball in the air (total time)?

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

I’ve been stuck on this for a while

Aprotein molecule in an electrophoresis gel has a negative charge.the exact charge depends on the ph of the solution, but 30 excesselectrons is typical. what is the magnitude of the electric forceon a protein with this charge in a 1500 n/c electric field?