Questions by Matthy

Questions by Matthy

wire 1 and 2 are made of the same metal. wire 2 has twice the length and diameter of the of wire 1.what is the ratio R2/R1 of the resistance of two wire ?

asked Jan 10, 2021

1 answer

5 votes

62.9k views

Evaluate the following logarithms. log12 144 = log15 1 = log3 ( 1 81 ) = log 0.00001 =

asked Sep 26, 2020

2 answers

0 votes

65.3k views

A girl of mass 40kg jumps with a horizontal velocity of 5m/s on to a stationary cart with frictionless wheels. The mass of the cart is 10kg. The girl and the cart move off together in the same straight

asked Jun 26, 2020

1 answer

0 votes

54.9k views

The repeated use of electronic communications, such as chat rooms and email, to seek out, harass, or frighten someone is called __________.

asked Mar 25, 2020

1 answer

2 votes

199k views

Evaluate the expression 3 4/5x − 2 1/2 for x = −5.

asked Jan 23, 2020

1 answer

3 votes

24.6k views

When Joseph first starts working at a grocery store, his hourly rate is $10. For each year he works at the grocery store, his hourly rate increases by $0.50. Joesphs hourly rate R, in dollars, is a function

asked Dec 14, 2019

1 answer

4 votes

204k views

In the group of scores 6, 12, 13, 13, 16, and 18, it can be said of the mean, the median, and the mode that _____.

asked Sep 12, 2019

1 answer

3 votes

235k views

a student measured the density of gold to be 18.5g/cm3. the accepted value of the density of gold is 19.3g/cm3. what is the percent error of the students measurement

asked Jul 10, 2019

1 answer

4 votes

192k views

1) The molecule that serves as the major source of readily available fuel for neurons and blood cells is ________. A) fat B) glucose C) acetyl CoA D) cellulose

asked Aug 24, 2018

1 answer

1 vote

218k views

Which is a safe practice for handling in a lab investigation

asked Aug 19, 2018

2 answers

2 votes

45.4k views

What purpose did boiling the meat broth serve in both the spallanzani and pasteurexperiments?

asked Jul 21, 2018

1 answer

2 votes

1.7k views

An ion has a charge of -5. how many units is the ion from being neutral. enter your answer as a numeral

asked Feb 16, 2018

1 answer

1 vote

180k views

Which of the CAPITALIZED words provides the least negative interpretation of Sam's behavior? Sam seemed a bit COLD at the party; he hardly spoke to anyone and seemed unhappy. Sam seemed a bit INDIFFERENT

asked May 7, 2017

2 answers

4 votes

130k views

To which set or sets of numbers does the number -5 belong

asked Jan 20, 2017

1 answer

2 votes

196 views

Color deficiency is more common in men than in women because women cannot inherit the gene from their fathers. the gene is located on the Y chromosome. men get more copies of the gene than do women. crossing

asked Oct 15, 2016

1 answer

1 vote

108k views

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