Q1 the escape speed from a very small asteroid is only 26, Ask an Expert

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Q1. The escape speed from a very small asteroid is only 26 m/s. If you throw a rock away from the asteroid at a speed of 39 m/s, what will be its final speed?

Q2. Certain car battery with a 13.0 V emf has an initial charge of 132 A•h. assume that the potential across terminals stays constant until the battery is completely discharged, for how long in hours can it deliver energy at the rate of 127 W?

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