Answer:
A - Crest, B - amplitude, C - wavelength, D - trough
Explanation:
Answer:
magnet 4
because opposite direction i.e north and south will attract each other
If the object, ends up with a positive charge, then it is missing electrons. if it is missing electrons, then it must have been removed form the object during the rubbing process.
A = (Vf-Vi) / t,
a = (6-0)/3 = 2m/s^2,
F = ma = 2 * 2 = 4N
