Which changes would cause an increase in the resistance of a wire?

Asher cycles 12 miles in 16 hours. what is his speed?

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

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?