9 David often finds himself eating everything in the refrigerator late at night when his family is asleep. He does not really know why he does it, but
when he is standing there, everything looks good. He eats food that he would not normally eat. The next day, when his father notices the
missing food, David is too embarrassed to admit it was him. What kind of eating disorder does David MOST likely have?
OA. bulimia nervosa
OB.
anorexia nervosa
OC. binge eating disorder
OD.
obsessive diet disorder
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Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

Ablock of mass m = 2.5 kg is attached to a spring with spring constant k = 710 n/m. it is initially at rest on an inclined plane that is at an angle of θ = 23° with respect to the horizontal, and the coefficient of kinetic friction between the block and the plane is μk = 0.19. in the initial position, where the spring is compressed by a distance of d = 0.16 m, the mass is at its lowest position and the spring is compressed the maximum amount. take the initial gravitational energy of the block as zero. a) what is the block's initial mechanical energy? b) if the spring pushes the block up the incline, what distance, l, in meters will the block travel before coming to rest? the spring remains attached to both the block and the fixed wall throughout its motion.

Use the information presented in the graph to answer the questions. which segments show acceleration? which segment indicates that the object is slowing down? what is the velocity of segment b? what is the acceleration of segment b?