4. An electron in a field of 1 NC-1 will have an approximate acceleration,
a) 1.7 x 1011 ms?
c) 1 x 1012 ms?
b) 1 x 10 m
d) 1x 10ms-a​

During which interval are the persons represented by the graph not moving? a) 0 to 0.5 hrs b) 1.5 to 2 hrs c) 2 to 2.5 hrs d) 4.5 to 5 hrs