Asked by alexa
On planet x, an object weighs 10.4N. On planet B where the magnitude of the free fall acceleration is 1.48g (where g=9.8 m/s^2 is the gravitational acceleration on Earth),the object weighs 24.6N. The acceleration of gravity is 9.8 m/s^2. What is the mass of the object on Earth? Answer in kg.
What is the free fall acceleration of planet x? Answer in units of m/s^2.
I tried starting this problem, but it was hard for me to figureout how to go about doing it without getting stuck.
What is the free fall acceleration of planet x? Answer in units of m/s^2.
I tried starting this problem, but it was hard for me to figureout how to go about doing it without getting stuck.
Answers
Answered by
Henry
Planet B:
m*1.48g = 24.6N,
m * (1.48*9.8) = 24.6,
m * 14.504 = 24.6,
m = 24.6 / 14.504 = 1.7kg = mass of the
object on ALL planets including earth.
The change in Wt. of an object as you go from one location to another or from planet-to-planet is caused by the
change in the force of gravity and NOT by a change in mass.
Planet X:
mg = 10.4N.
g = 10.4 / m = 10.4 / 1.7 = 6.1m/s^2.
m*1.48g = 24.6N,
m * (1.48*9.8) = 24.6,
m * 14.504 = 24.6,
m = 24.6 / 14.504 = 1.7kg = mass of the
object on ALL planets including earth.
The change in Wt. of an object as you go from one location to another or from planet-to-planet is caused by the
change in the force of gravity and NOT by a change in mass.
Planet X:
mg = 10.4N.
g = 10.4 / m = 10.4 / 1.7 = 6.1m/s^2.
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