A ray of white light, incident upon a glass prism, is dispersed into its various color components. Which one of the following colors experiences the greatest angle of deviation?
a. orange
b. violet
c. red
d. green
b
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In 21,200 years from now, Thuban will once again be our north celestial pole
a. True b. False Indicate whether the statement is true or false
A mass src="https://sciemce.com/media/4/4c4b9bc146291b8f34.png" class="w-image" />?
is connected by a light string that passes over a pulley of mass M to a mass 
sliding on a frictionless horizontal surface as shown in the figure. There is no slippage between the string and the pulley. The pulley has a radius of 25.0 cm and a moment of inertia of 1?2 
If 
is 4.00 kg, 
is 4.00 kg, and M is 4.00 kg, then what is the tension in the string attached to
A. 35.6 N
B. 32.7 N
C. 31.0 N
D. 29.0 N
E. 23.5 N
Dr. Chuck projects a ball horizontally from a lab bench. If the projection speed of the ball were greater, the time in the air would be
A) less. B) the same. C) greater.
A school principal tells a new teacher that "the orderly classroom is quiet
" Using this definition of order, and assuming a class of twenty pupils, enumerate possible states of the system (a state specifies each one of the twenty and whether the student is quiet or talking). Why is it so hard to have a classroom completely in order?