Answer:
a)

b) 35m/s
c) 0
d) -35m/s
e) Velocity is decreasing.
f) 70 seconds
a plasma is a hot ionized gas consisting of equal numbers and positively charged ions and negativly charged electrons. the characterisitcs of plasma are different from those of oirdinary gases so plama is consideres the fourth state of matter
The right half will be a new bar magnet of 2cm with north pole on the right side and south pole on teh left.