Predict what happens when a potassium phosphate (K3PO4) solution is mixed with a calcium nitrate Ca(NO3)2 solution. Write a net ionic equation for the reaction.

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

How many grams of aluminum will there be in 98g of al2o3?

All forces cause motion? true or false