19. What ingredient makes Electronic Cigarettes and Traditional Ones addictive? (5 Points)
Tar
Nicotine
Chemicals
all of the above

Note: the following questions are unrelated to the balmer series or the martian. refer to your course notes. a sun-sized star will spend most of its lifetime as a: white dwarf b. red giant c. protostar d. main-sequence star

Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.

(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.