A small ball is released from rest at position A and rolls down a vertical circular track under the influence of gravity as depicted below
2
Physics & Space Science
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Ideal Gas Law: An ideal gas occupies 6.00 × 102 cm3 at 20°C. At what temperature will it occupy 1.20 × 103 cm3 if the pressure is held constant?
A. 10°C B. 40°C C. 100°C D. 313°C
Physics & Space Science
A farsighted boy has a near point at 2.3 m and requires contact lenses to correct his vision to the normal near point. What is the correct choice of lens power for the contact lenses?
A) -0.28 diopters B) +0.28 diopters C) -3.6 diopters D) +3.6 diopters E) +1.8 diopters
Physics & Space Science
A brass bar twisted by torques T acting at the ends has the following properties: L 5 2.1 m, d 5 38 mm, and G 5 41 GPa. The torsional stiffness of the bar is approximately:
(A) 1200 N?m
(B) 2600 N?m
(C) 4000 N?m
(D) 4800 N?m
Physics & Space Science
What makes the surface of Mimas so striking?
What will be an ideal response?
Physics & Space Science