2. Carla's favorite ball is bright blue when it is outside in the direct sunlight. Inside, the ball
appears to be almost green. Why does Carla's ball seem to change colors?
A. Color is determined by the density of an object, and Carla's ball became more dense when
she went inside out of the sunlight.
B. Color is determined by the size of an object, and Carla's ball lost air while being played
with, so it was smaller when she went inside.
C. Color is determined by the wavelength of light reflected or absorbed by the object, and the
light changed when Carla went inside.
D. Color is determined by the temperature of an object, and the temperature changed when
Carla went inside out of the sunlight.
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Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?
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A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
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2. Carla's favorite ball is bright blue when it is outside in the direct sunlight. Inside, the ball<...
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