Albert See 2022-09-15
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asked 2020-12-30

A majorette in a parade is performing some acrobatic twirlingsof her baton. Assume that the baton is a uniform rod of mass 0.120 kg and length 80.0 cm. 
With a skillful move, the majorette changes the rotation ofher baton so that now it is spinning about an axis passing throughits end at the same angular velocity 3.00 rad/s as before. What is the new angularmomentum of the rod?

asked 2022-04-01

Random-digit-dialing telephone surveys used to exclude cell phone numbers. If the opinions of people who have only cell phones differed from those of people who have landline service, the poll results may not represent the entire adult population. The Pew Research Center interviewed separate random samples of cell-only and landline telephone users who were less than 30 years old and asked them to describe their political party affiliation.
 or goodness of fit, homogeneity or independence?

asked 2022-09-05

the flux density is ___ when the magnetic flux is 9 uwb and the cross sectional area of the magnetic field is 5x10^-3 m^2

asked 2022-06-12

Evaluate the following definite integral using the fundamental theorem of calculus.

 

 

Evaluate the following definite integral using the fundamental theorem of calculus. 3 ∫ (z^2+2)/z dz 1

 

asked 2022-04-25

The distribution coefficient, k = concentration in hexanes / concentration in water, between hexanes and water for salute A is 7.5. How much hexanes would be required to remove 97.5% of A in a single extraction from a solution of 10 g of A in 100 mL of water?

asked 2022-09-13

f(n)=   n-1

asked 2022-05-29

½+1/4

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