A car with a mass 1000kg is traveling at a velocity of 20.6 m/s. The engine supplies a force of 500N forward. The force of friction is 500N backward. What
will be the velocity of the car after 10 seconds?

How many moles of al3+ ions are in 1.25 moles of al2o3

In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added

How are the terms group and period used on the periodic table