Question part submissions used a velocity selector consists of electric and magnetic fields described by the expressions e with arrow = e k and b with arrow = b ĵ, with b = 22.0 mt. find the value of e such that a 770-ev electron moving in the negative x direction is undeflected.

it may be wrong but i think its a

answer: the metamorphic rocks are formed when they are exposed to high pressure and high temperatures. this happens when one of the earth's plates comes in contact with the other plate by traveling in opposite directions, straight into each other or slipping under one another. the friction that is caused by this activity results in   melting of rocks and when it cools they are known as metamorphic rocks. this process needs a controlled amount of pressure and temperature otherwise it may turn into magma.

a cold ice-tea.

pour in room temperature or cold water. cover the pitcher and refrigerate. steep white or green tea for 6 to 8 hours; steep black or oolong tea for 8 to 12 hours.jun 28, 2015