The horse is galloping at 13 m/s. Five seconds later, after climbing the hill, the horse is moving at 5.5 m/s. Find the acceleration that describes this change in velocity.

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What is hidden during a lunar eclipse? isn't the moon hidden?

Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.

Nacidified solution was electrolyzed using copper electrodes. a constant current of 1.18 a caused the anode to lose 0.584 g after 1.52 ✕ 103 s. given that the charge of an electron is 1.6022 ✕ 10−19 c, calculate avogadro's number. assume that copper is oxidized to cu2+ ions.