Determine the force of repulsion between two positively charged objects when separated by 4.9 x10-4 m. 9.60 x 10-22 N
5.22 x 10-35 N
4.70 x 10-25 N
1.07 x 10-31 N

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?

What is a costume plot? why is it important to a film or theater production?

The built in flash in a compact camera is usally capable of giving correct exsposure for distance up to how many meters?