A train moving west with an inti velocity of 20 m/s accelerates at 12 m/s fir 10 seconds. How much does the train moves in distance of meters

Current 1 of 8.4 a runs for 240 seconds and then stops. current 2 is 10.5 a. how long does current 2 have to un to deliver the same amount of charge as current 1? 88.28 192 s 2016 s 21,000 s

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 380j of energy to the room?

How to tell if a molecule is polar or nonpolar with electronegativity