An automobile battery has an emf of 12.6 v and an internal resistance of 0.0570 ω. the headlights together have an equivalent resistance of 3.30 ω (assumed constant). (a) what is the potential difference across the headlight bulbs when they are the only load on the battery

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air

One number is said to be an "order of magnitude" larger than another number if choose one: a. it is 10 times larger. b. it is 5 times larger. c. it is 3 times larger. d. it is 100 times larger. e. it is 2 times larger.

Which of the following is not a physical property of mattera. melting pointb.heat of combustionc. viscosityd. boiling point