The speed that light travels : a. speeds up when traveling through solids b. slows when traveling through vacuums c. changes when going through different mediums

Adelivery truck leaves a warehouse and travels 2.60 km north. the truck makes a left turn and travels 1.25 km west before making another right turn to travel 1.40 km north to arrive at its destination. what is the magnitude and direction of the truck's displacement from the warehouse?

A36,287 kg truck has a momentum of 907,175 kg • . what is the truck’s velocity

Which color of light has a longer wavelength than yellow? a. red b. blue c. green d. violet