An automobile battery has an emf of 12.6 v and an internal resistance of 0.0600 ω. the headlights together present equivalent resistance 5.00 ω.(assumed constant) (a) what is the potential difference across the headlight bulbs when they are the only load on the battery? (b) what is the potential difference across the headlight bulbs when the starter motor is operated, taking an additional 35.0 a from the battery?

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Ineed asap! list 3 examples in which friction us or makes things easier in our daily life. explain the effect of friction for each. *make sure you explain the effect of friction for each example! *

What are similarities and differences of reflection, refraction, diffraction and absorption?