Calculate and compare the gravitational force and the electrical force between two
protons that are separated by 4.25x 10-15 m
(G = 6.67 x 10" Nm /kg?, e = 1.60 x 10-1°C,
m = 1.67 x 10-27 kg).
=

A2 µc charge q1 and a 2 µc charge q2 are 0.3 m from the x-axis. a 4 µc charge q3 is 0.4 m from the y-axis. the distances d13 and d23 are 0.5 m. find the magnitude and direction of the resulting vector r. round your answer to the nearest tenth.

There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer