A hockey puck slides 26 meters in 8 seconds how far did it travel

Anybody wanna ? (picture included? )

Aswimming pool whose volume is 10 comma 000 gal contains water that is 0.01% chlorine. starting at tequals0, city water containing 0.003% chlorine is pumped into the pool at a rate of 5 gal/min. the pool water flows out at the same rate. what is the percentage of chlorine in the pool after 1 hour? when will the pool water be 0.006% chlorine?

Is the portion of the electromagnetic spectrum that has a frequency just above that of visible light.