2. You, a person with mass 75 kg, are on a the surface of recently discovered Planet Q. You construct a pendulum using a uniform solid disk (COM at the center) with radius 0.25 m and mass 2 kg: Ensuring that is very small, you let the pendulum oscillate and measure that its total period is T = 1.5 s. Satellite data informs you that Planet Q has a radius of 8.3 × 108 m, and completes one full rotation around its axis in 3.0 × 105 s. (a) If you stood on a scale Planet Q's surface, what would it read (in newtons)? (b) What is Planet Q's gravitational acceleration?
2. You, a person with mass 75 kg, are on a the surface of recently discovered Planet Q. You construct a pendulum using a uniform solid disk (COM at the center) with radius 0.25 m and mass 2 kg: Ensuring that is very small, you let the pendulum oscillate and measure that its total period is T = 1.5 s. Satellite data informs you that Planet Q has a radius of 8.3 × 108 m, and completes one full rotation around its axis in 3.0 × 105 s. (a) If you stood on a scale Planet Q's surface, what would it read (in newtons)? (b) What is Planet Q's gravitational acceleration?
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Transcribed Image Text:2. You, a person with mass 75 kg, are on a the surface of recently discovered
Planet Q. You construct a pendulum using a uniform solid disk (COM at
the center) with radius 0.25 m and mass 2 kg:
Ensuring that is very small, you let the pendulum oscillate and measure
that its total period is T 1.5 s. Satellite data informs you that Planet
Q has a radius of 8.3 × 108 m, and completes one full rotation around its
axis in 3.0 × 105 s.
=
(a) If you stood on a scale Planet Q's surface, what would it read (in
newtons)?
(b) What is Planet Q's gravitational acceleration?
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