Explain the human and political forces and powers
Explain the human and political forces and powers that work against the creation of a global social contract. What factors might draw the world toward global government?
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A positively charged light metal ball is suspended between two oppositely charged metal plates on an insulating thread as shown below. After being charged once, the plates are disconnected from the battery. Describe the behavior of the ball.
A uniform disk with a mass of 150 kg and radius of 1.3 m rotates with an angular speed of 1000 rev/min. A constant tangential force is applied at a radial distance of 0.7 m. How much work must this force do to stop the wheel?
Major cities grew rapidly in the 19th century. Identify and discuss the problems these cities dealt with as a result of rapid growth.
The coefficient of kinetic friction is 0.265. What is the tension in the string and what is the acceleration of the system. The box off the table weighs 10.0 kg.
A 250 kg weather rocket is loaded with 100 kg of fuel and fired straight up. It accelerates upward at 32 m/s2 for 34 s, then runs out of fuel. Ignore any air resistance effects. What is the rocket's maximum altitude?
The resistance of the tungsten wire is 3.000 W at 20°C and increases to 4.850 W as the indium starts to melt. atungsten = 4.50 ´ 10-3 (°C)-1. What is the melting temperature of indium?
A 74.2 cm long straight section of wire is located entirely inside a uniform magnetic field of |B| = 0.230 T. The wire is perpendicular to the direction of the magnetic field. When a current runs through the wire a magnetic force of |F| = 0.870 N
A gas is enclosed in a container fitted with a piston of cross-sectional area 0.24 m2. The pressure of the gas is maintained at 8565 Pa as the piston moves inward 8 cm. If the internal energy of the gas decreases by 4.6 J, find the amount of heat
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