Acarmaker has designed a car that can reach a maximum acceleration of 12 meters/second2. the car’s mass is 1,515 kilograms. assuming the same engine is used, what should the car’s mass be if the carmaker wants to reach an acceleration of 15 meters/second2?

Select the correct answer. which phrase correctly describes temperature? o a. average rotational kinetic energy of the particles in an object o b. average energy of the particles in an object c. average translational kinetic energy of the particles in an object od. all energy possessed by the particles in an object

1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f