With what speed will the dart leave the gun

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Q. A man who normally weighs 400 N on the Earth's surface climbs to the top of a very tall ladder so he is one Earth-radius above the earth's surface. How much would he weigh there?

Q. A 75 N force is required to compress the spring of a dartgun 18.0 cm to load a 125 g dart. With what speed will the dart leave the gun?

Reference no: EM1359842

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