A child is riding a merry-go-round, which has an instantaneous angular speed of 1.25 rad/s and an angular acceleration of 0.745 rad/s2. The child is standing 4.65 m from the center of the merry-go-round
What angle does the acceleration of the child make with the tangential direction? A) 90.0°
B) 25.5°
C) 32.5°
D) 64.5°
E) 45.0°
D
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What will be an ideal response?
Compound Microscope: In a compound microscope
A. both the objective and the eyepiece form real images. B. magnification is provided by the objective lens and not by the eyepiece. The eyepiece merely increases the resolution of the image viewed. C. magnification is provided by the objective and not by the eyepiece. The eyepiece merely increases the brightness of the image viewed. D. the magnification is m1 + M2, where m1 is the lateral magnification of the objective and M2 is the angular magnification of the eyepiece. E. the image of the objective serves as the object for the eyepiece.
Repetitive sounds can be soothing to frequent website visitors, so use them liberally.
Answer the following statement true (T) or false (F)
Your Local Sky
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