A student ona tower 49m height drops a stone. One second later he throws a second stone after the first. They both hit the ground at the same time. With what speed did he throw the second stone.​

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1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? your

How do the kidneys affect homeostasis