What work should the total external force do
A 6500-kg satellite is in a circular earth orbit that has a radius of 3.5 10^7 m. A net external force must act on the satellite to make it change to a circular orbit that has a radius of 8.9 10^6 m. What work must the net external force do?
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By how much does the potential energy of a(n) 16.0-kg child increase when the child climbs a normal staircase to the second floor?
Two cards are drawn from a well-shuffled deck of playing cards from which the spades and clubs have been removed, and are placed face down on a table. The cards are turned up one a time and the suit of each card is observed. Let X1 and X2 be defin
The final volume is 0.045 ft3. The experimental data for the process indicate that PV1.45 = constant. What is the work performed by the expanding gas?
For comparison, a .22 caliber bullet has a mass of 2.6 g and, starting from rest, exits the barrel of a gun with a speed of 412 m/s. Determine the work done to launch the motion of both the hammer and the bullet.
Find the work done if the system is at the initial temperature of 75oF and the pressure between the final state is (a) constant, (b) inversely proportional to volume and (c) given by the ideal gas relationship (PV=mRT).
A 2.10 x 102-N force is pulling an 85.0-kg refrigerator across a horizontal surface. The force acts at an angle of 17.0° above the surface. The coefficient of kinetic friction is 0.200, and the refrigerator moves a distance of 5.00 m. (a) Find
Through how many revolutions does the tub turn during this 22 s interval? Assume constant angular acceleration while it is starting and stopping.
Estimate by what percent the average air-water density is greater that that of just still air. State all assumptions and show calculations.
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but I would like to discuss to what extent employers should/should not influence or curb political participation in their workplaces.
Suppose you are the head of an island nation with a poor, growing population and the natural resources of the island are being degraded.
Question: What was the economic and political impact, if any protect the health and welfare to citizens ?
Problem: Article 3 of the Texas Constitution sets up the Texas Legislature. It also does which of the following?
Summarize how the ERA can be ratified and explain why this is the most likely way. You will draw on instances that are important to you
Which amendment to the U.S. Constitution is often called the "States' Rights Amendment" and is commonly used by states to challenge
Mechanisms of State-Led Development:** - **Industrial Policy:** Both countries used targeted industrial policies to support specific sectors, such as electroni