# Elephant and Shrewd Mass on Earth Surface

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An adult elephant has a mass of about 5.0 tons. An adult elephant shrew has a mass of about 50 grams. How far from the center of the Earth should an elephant be placed so that its weight equals that of the elephant shrew on the surface of the Earth? The radius of the Earth is 6400 km. (1 ton = 10^3 kg.) Express your answer in kilometers.

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#### Solution Preview

Step 1. Your quoted mass of the elephant in kg is ( 5 tons)(10^3 kg/ton)= 5000 kg

Step 2. The weight of an object is the gravitational ...

#### Solution Summary

This solution decsribes how weight relates to gravity, using an equation to represent this. It then uses this equation to find radius in kilometers.

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