- How is projectile motion is used in the working of a catapult or trebuchet?

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0.8 litres water is how many cups? Could someone help me with these math problems? I can't figure them out. Solve the linear equation;
x+2y=15
y=-2x+0 9x-12y=-3
-12x+16y=4? If 7.46g of CrCl3 are dissolved in enough water to make 385 mL of solution, what is the molarity of the resulting solution? How many molecules are in 97.8g of FeCl3? An action potential can be referred as a ¨wave of depolarization¨ down the axon. Explain what you think this means.?