Questions by Ales

Questions by Ales

Describe the “Doppler Effect.” Explain how it is used in Astronomy in term of red shift and blue shift

asked May 21, 2021

1 answer

4 votes

142k views

Fill in the blank with the Spanish word that best completes the following sentence. ¿Para qué usamos ____________? cerrar los discos descargar

asked Apr 20, 2021

1 answer

5 votes

120k views

Help? I’m really cunfused!

asked Mar 5, 2021

1 answer

0 votes

169k views

If a 30 gram sample of Copper shots (specific heat = 0.385 J/gºC) changed from 27ºC to 90ºC, how much heat was involved? 728 J -728 J 1,351 J -1,351 J

asked Jan 3, 2021

2 answers

1 vote

75.8k views

What is the correct quotient of 42x^4÷(7x^2+14x), written as a rational expression?

asked Nov 19, 2020

1 answer

3 votes

150k views

What's the difference between Mixture and Solution?

asked Jan 13, 2020

1 answer

4 votes

93.7k views

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