A car travels straight for 20 miles on a road that is 30 degrees north of east. What is the east component of the car’s displacement to the nearest tenth of a mile?

A10nc charge sits at a point in space where the magnitude of the electric field is 1500 n/c. what will the magnitude of the field be if the 10 nc charge is replaced by a 20 nc charge? assume the system is big enough to consider the charges as small test charges.