A refracting telescope has an eyepiece of focal length -80. mm and an objective of focal length 36. cm. What is the magnification?
What will be an ideal response?
4.5 ×
Physics & Space Science
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Of the four gases CO2, H2O, N2, and O2, which are greenhouse gases?
A) Only CO2 B) CO2 and H2O C) CO2 and N2 D) all except O2 E) all four
Physics & Space Science
A tree stump is pulled northward by a 10-N force at the same time a 25-N force pulls it southward. The resultant force has a magnitude of
A) 0 N. B) 15 N. C) 25 N. D) 150 N.
Physics & Space Science
A 2-qt bottle of soda is on sale for $1.29. What should be the price of a 2-Liter bottle of the same soda to yield the same value?
What will be an ideal response?
Physics & Space Science
The change in the momentum vector is in the direction of the net force
Indicate whether the statement is true or false
Physics & Space Science