An astronaut on another planet drops a 1-kg rock from test andfinds that it fall

Question

An astronaut on another planet drops a 1-kg rock from test andfinds that it falls a verticle distance of 2.5 meters in 1 second.On this planet the rock has a weigh of a) 1N b) 2N c) 3N d)4N e)5N I don't understand what type of equation should be used forthis. If someone could give me an equation and explain it thatwould be very helpful An astronaut on another planet drops a 1-kg rock from test andfinds that it falls a verticle distance of 2.5 meters in 1 second.On this planet the rock has a weigh of a) 1N b) 2N c) 3N d)4N e)5N I don't understand what type of equation should be used forthis. If someone could give me an equation and explain it thatwould be very helpful

Explanation / Answer

1. Find the acceleration, which in this case isg: d = vot + at2Since vo is 0, a= d/t2 2. Since weight = mg, use that to find the weight of theobject. Hint: Multiply 1kg by the answer from 1) Good luck!

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