To know the density you also need to know the volume of the rock.
Answer:
The table is preventing the book from accelerating downwards.
Explanation:
Answer:
K₃P
Explanation:
potassium is a +1 charge and phosphorous is a -3 charge, so you put a subscript to balance the ionic compound
Answer: Distance the car has driven
Explanation:
The speed equation is speed=distance/time and since we already know time we need to know distance to solve for speed