Questions by Vinh

Questions by Vinh

Five men and 5 women are ranked according to their scores on an examination. Assume that no two scores are alike and all 10! possible rankings are equally likely. Let X X denote the highest ranking achieved

asked Oct 18, 2020

1 answer

4 votes

16.7k views

How much energy would it take to raise the temperature of 20 g of water 5 K? The specific heat of water is 4.18 J/g*K.

asked Mar 16, 2020

1 answer

0 votes

234k views

Which is an example of the conversion of gravitational potential energy into kinetic energy?

asked Jun 16, 2019

2 answers

4 votes

3.6k views

In ptolemy's earth-centered model for the solar system, venus's phase is never full as viewed from earth because it always lies between earth and the sun. in reality, as galileo first recognized, venus

asked May 12, 2019

1 answer

4 votes

84.0k views

I got the wrong answer, does anyone know what the right answer is? A. The distance between two points B. The horizontal change compared to the vertical change between two points C. the ratio of the change

asked Mar 16, 2019

1 answer

1 vote

86.6k views

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