laqu33n021
26.11.2019 •
Physics
Asolid brass (bulk modulus 6.7 x 1010 n/m2) sphere is subjected to a pressure of 1.0 x 105 pa due to the earth's atmosphere. on venus the pressure due to the atmosphere is 9.0 x 106 pa. by what fraction r/r0 (including the algebraic sign) does the radius of the sphere change when it is exposed to the venusian atmosphere? assume that the change in radius is very small relative to the initial radius.
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Ответ:
Explanation:
Using the equation to find the fraction does the radius of the sphere change when it is exposed to Venusian atmosphere.
Replacing to find the relation between the radius
Replacing numeric to find the relation
So the relation is
Ответ:
The magnitudes of the speed and acceleration of the Earth are approximately 66,661.217 miles per hour and 47.782 miles per square hour, respectively.
Explanation:
Given that the Earth has a circular orbit and make a revolution at constant speed around the Sun. Then, the kinematic formulas for the speed and acceleration of the planet are, respectively:
Speed
Acceleration
Where:
If we know that
and 
, then the magnitudes of the speed and acceleration of the planet is:
The magnitudes of the speed and acceleration of the Earth are approximately 66,661.217 miles per hour and 47.782 miles per square hour, respectively.