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Home / Questions / 1)The 24-cm-diameter disk in the figure below can rotate on an axle through its center. What is the.

1)The 24-cm-diameter disk in the figure below can rotate on an axle through its center. What is the.

1)The 24-cm-diameter disk in the figure below can rotate on an axle through its center. What is the net torque about the axle ifF= 22 N?

N · m

p13-14alt.gif

2)A spherical balloon is made from a material whose mass is 3.30 kg. The thickness of the material is negligible compared to the 1.25 m radius of the balloon. The balloon is filled with helium (He) at a temperature of 310 K and just floats in air, neither rising nor falling. The density of the surrounding air is 1.19 kg/m³ and the molar mass of helium is 4.0026x10^3 kg/mol. Find the absolute pressure of the helium gas.


Answer is in Pa
 

May 16 2020 View more View Less

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