2) A car collides with a haystack. The car and the hay then travel together in the same direction. What type of collision is described? a) Elastic b) Inelastic c) Perfectly inelastic d) ExplosionMultiple Choice __ 29. Which regulates the flow of electrical current to the filament of the x-ray tube? a. high-voltage circuit b. low-voltage circuit c. high-voltage transformer d. low-voltage transformer __ 30. Which is used to increase the voltage in the high- voltage circuit? a. step-up transformer b. step-down transformer c.autotransformer d. step-up circuitc. How much total energy is required to actually boil 1.0 L of water in a 550 g iron pot?Across 12. __ is anything that has mass and takes up space (has volume). D 14. Question If yourub a balloon on your head and remove it, your hair stands up straight. Why does this occur? Because the hairs have the opposite charge and repel each other Because the hairs have the same charge and repel each other Because the hairs have the opposite charge and attract each other Because the hairs have the same charge and attract each other.PREV 113114115116117118119120121 NEXT