Astronaut picks up a rock
On a planet far, far away, an astronaut picks up a rock. The rock has a mass of 4.80 kg, and on this particular planet its weight is 40.8 N. If the astronaut exerts an upward force of 50.0 on the rock, what is its acceleration?
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A weather balloon is prepared for lift off at the NorthPole. The balloon is filled with 15,000 L of heliumgas. The conditions at the launch site are 760 mm Hg and0*C.
Consider the H atom. Use eV for energies and show your calculation. a.) Calculate the energies of the first four levels of the atom.
Determine T3 in K. - Determine the Power of the exit in the second turbine in kW - Represent those processes in a p-v diagram.
What is the pH of a buffer that is 0.175M in a weak acid and 0.213M in the acid's conjugate base? The acids ionization constant is 5.7 * 10-4.
Describe what happens in the heat-affected zone of the weld and discuss the problems that might occur. Design a joinging process that may minimize these problems.
Determine the natural frequency of oscillation.There is a spring on the right side of the pulley's rope. k=1500N/m Radius of pulley=150mm.
A parallel-plate capacitor has 2.00 cm2 plates that are separated by 6.00 mm with air between them. If a 12.0 V battery is connected to this capacitor, how much energy does it store?
A reaction in solution, A+B-->P, is studied and found to havethe rate law: Rate = k[A] with a rate constant of 3.5 x 10-3 s-1.
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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