An electron is fired through a pair of deflection plates, which produce a 2.00 cm long region with an electric field of 4000 N/C perpendicular to the electron's initial velocity. If the initial speed of the electron is 
what is its new component of velocity after going through the deflection plates?
a. 
b. 
c. 
d. 
e. 
d.
Physics & Space Science
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The utilities always follow the practice of retiring fossil fuel electric generating plants at the end of their original lifetimes
What will be an ideal response?
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A quark can have a charge of
A) -3/2 e. B) -e/2. C) -1/3 e. D) -e/4. E) -3/4 e.
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A 5.0-kg object is suspended by a string from the ceiling of an elevator that is accelerating downward at a rate of 2.6 m/s2 . What is the tension in the string?
a. 49 N b. 36 N c. 62 N d. 13 N e. 52 N
Physics & Space Science
Two vertical tubes of equal cross-sectional areas are filled with liquids to heights producing atmospheric pressure at their bottoms. One liquid is water and the other is mercury. Both liquids have equal
A) volumes. B) densities. C) weights. D) viscosity. E) none of the above
Physics & Space Science