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IP At a certain distance from the center of the Earth, a
Chapter 12, Problem 19P(choose chapter or problem)
Problem 19P
IP At a certain distance from the center of the Earth, a 4.6-kg object has a weight of 2.2 N. (a) Find this distance, (b) If the object is released at this location and allowed to falï toward the Earth, what is its initial acceleration? (c) If the object is now moved twice as far from the Earth, by what factor does its weight change? Explain, (d) By what factor does its initial acceleration change? Explain.
Questions & Answers
QUESTION:
Problem 19P
IP At a certain distance from the center of the Earth, a 4.6-kg object has a weight of 2.2 N. (a) Find this distance, (b) If the object is released at this location and allowed to falï toward the Earth, what is its initial acceleration? (c) If the object is now moved twice as far from the Earth, by what factor does its weight change? Explain, (d) By what factor does its initial acceleration change? Explain.
ANSWER:
Step 1 of 5
a.)
We have to find the distance from the center of the Earth at which a 4.6-kg object has a weight of 2.2 N.
The weight of the object at a distance is due to the force of gravity
given by the expression,