a wire of resistance 4 ohms is bent to form a circle. what is the resistance between two ends of the diameter

a wire of resistance 4 ohms is bent to form a circle. what is the resistance between two ends of the diameter

The oxides of the Group 2A metals (symbolized by M) react with carbon dioxide in the following reaction MO(s)+CO2(g) = MCO3 A 2.85 g sample containing only MgO and...

A fuel composed of (CH3)2N2H2 is mixed with N2O4. The two components react according to the following reaction (CH3)2N2H2+2N2O4=3N2+4H2O+2CO2(all gases). If...

I need to determine the acceleration factor, do I need to find time first and use the equation a=(vf-vi)/t? Or can I just use the acceleration factor equation f=|a/g|

Equal moles of sulfur dioxide gas and oxygen gas are mixed in a flexible reaction vessel and sparked to initiate the formation of sulfur trioxide. Assuming the reaction goes to completion, what is...

Hydrogen azide decompose on heating by the following unbalanced equation HN3=N2(g)+H2(g) If 3.0 atm of pure HN3 is decomposed initally, what is the final total pressure of the...

Application: Merry-go-round. how fast can you spin the merry-go-round before the kids slip off? treat the merry-go-round as a flat disk w?out bars. (give answer in revolutions per second). note, this...

An electron is moving horizontally to the right with speed 4 multiply 106 m/s. What is the magnetic field due to this moving electron at the indicated locations in the figure? Each location is d =...

Consider two flasks, the first flask has 2.00L of hydrogen at a pressure of 475 torr, the second has 1.00 L of nitrogen at a pressure of 0.200 atm. If the stopcock between the two flasks is opened...

please solve

I calculated the electric field to be <6.95e-5 ,6.95e-5, 6.95e-5> at location < 2 ✕ 10-3, 2 ✕ 10-3, 2 ✕ 10-3 > m, due to the proton. At a particular instant a proton is...

A ball is thrown horizontally off the roof of a building 50m tall. the ball is thrown with a velocity of 20m/s ? How far from the bottom of the building does the ball land ? &n...

I feel like this should be easy and I'm making this harder than it should be. A baseball player throws a baseball into the air at a height of 3.00 m above the release point, the ball...

Three charged metal disks are arranged as shown (cutaway view). The disks are held apart by insulating supports not shown in the diagram. Each disk has an area of 2.5 m2 (this is the area of one flat...

chemistery question

I need help on this physics problem please. I am having trouble determining the distance for each potential difference (not approved) I know it is a lot, but my main goal is to know the...

Two weights w1 & w2 are suspended from a massless pulley . The pulley is accelerated upwards with an acceleration of g .What is the tension in the axle suspension of the pulley??

i need to know what the velocity is.

A baseball is hit by Aaron Judge, a New York Yankees baseball team member, at an amazing velocity of 110 miles/hour at an angle of 35 degrees from the horizontal from home plate in Yankee Stadium...

A baseball is hit by Aaron Judge, a New York Yankees baseball team member, at an amazing velocity of 110 miles/hour at an angle of 35 degrees from the horizontal from home plate in Yankee Stadium...

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