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michaeltheballer1
23.10.2020 •
Mathematics
10. The weight, in newtons, of an object in a particular location is equal to its mass, in
kilograms, times the gravitational acceleration in that location. As a formula, this is
written w = mg, where w = weight, m = mass, and g = gravitational acceleration.
a. Neil Armstrong had a mass of 80 kg on Earth. On Earth's surface, the gravitational
acceleration is g = 10 newtons per kilogram. What was Niel's weight on Earth?
b. Rewrite the equation to isolate g
c. On the surface of the moon, Neil Armstrong's weight is 128 newtons. What is the
gravitational acceleration on the moon?newtons per kilogram.
Solved
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Ответ:
Step-by-step explanation:
Given
Solving (a): Errors in volume
The volume of a cube is:
Differentiate
Make dV the subject
Rewrite as:
Substitute values for x and![\triangle x](/tpl/images/1220/9531/df80a.png)
Hence:
The relative error is then calculated as:
The percentage error is:
Solving (a): Errors in Surface Area
The volume of a cube is:
Differentiate
Make dA the subject
Rewrite as:
Substitute values for x and![\triangle x](/tpl/images/1220/9531/df80a.png)
Hence:
The relative error is then calculated as:
The percentage error is: