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What is the difference in usage between Por and Para?

In Spanish, both por and para take on the responsibilities of not only for, but also by, on, through, because of, in exch...

MA
Answered by Mutaher A. Spanish tutor
10632 Views

Ann and Bob play on a uniform seesaw. The seesaw is 4m long and Ann and Bob weigh 600N and 800N respectively. If both Ann and Bob start at one end of the seesaw and Bob starts to walk up the seesaw at 2m/s, after how long will the seesaw turn?

(expect a diagram of a uniform seesaw with a pivot in the middle, infered from the question)

For the seesaw to turn, Bob must create a greater Moment than Ann.

Moment = Force * Perpedicular ...

AS
Answered by Angus S. Physics tutor
3462 Views

(Much Ado About Nothing) How does Benedick change over the course of the play?

Introduction:

Benedick begins Much Ado About Nothing as a sarcastic, uncaring individual but by the end of the play is genuine and heartfelt in the way he carries himself. 

Briefly go...

MR
13882 Views

25.00cm3 of sodium hydroxide was pipetted into a conical flask. It was titrated against 0.10mol/dm3 hydrochloric acid. The mean volume of acid needed was 24.00cm3. Calculate the concentration of sodium hydroxide used in the titration.

First write out the chemical equation:

​​​​​​HCl + NaOH -> NaCl + H20

Next construct a table with the information we have and in wha...

MB
Answered by Matthew B. Chemistry tutor
11633 Views

Amy has cystic fibrosis which is caused by a recessive allele. Her partner is heterozygous for cystic fibrosis. What is the chance that her future child has cystic fibrosis?

Alleles are different forms of a gene which can become mutated to cause different characteristics or diseases. They can be dominant (usually denonimated by a captial letter H) or recessive (usually denomi...

RM
Answered by Rebecca M. Biology tutor
4030 Views

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