Except for 1H and 3He, all nuclei having fewer ______________ than ______________ are radioactive
Fill in the blank(s) with correct word
neutrons; protons
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Consider the motion of a 1.00-kg particle that moves with potential energy given by U(x) = (-2.00 J?m)/x + (4.00 J?m2)/x2. Suppose the particle is moving with a speed of 3.00 m/s when it is located at x = 1.00 m
What is the speed of the object when it is located at x = 5.00 m? A) 2.13 m/s B) 3.00 m/s C) 4.68 m/s D) 3.67 m/s
An object 3.4 mm tall is placed 25 cm from the vertex of a convex spherical mirror. The radius of curvature of the mirror has magnitude 73 cm. (a) How far is the image from the vertex of the mirror? (b) What is the height of the image?
What will be an ideal response?
Which of the following best describes convection?
A) It is the process by which rocks sink in water. B) It is the process in which warm material expands and rises while cool material contracts and falls. C) It is the process in which warm material gets even warmer and cool material gets even cooler. D) It is the process in which a liquid separates according to density, such as oil and water separating in a jar. E) It is the process in which bubbles of gas move upward through a liquid of the same temperature.
2.50 moles of a monatomic ideal gas expand adiabatically from an initial temperature of 300 K and an initial volume of 80.0 L to a final volume of 150 L. What is the final temperature of the gas?
A) 840 K B) 563 K C) 426 K D) 287 K E) 197 K