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What property is a characteristic of a substance that can be observed and does not change the identity of the substance
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Awheel of mass 48 kg is lifted to a height of 0.8 m. how much gravitational potential energy is added to the wheel? acceleration due to gravity is g = 9.8 m/s2. a. 30.4 j b. 3.1 j c. 297.9 j d. 11,321 j
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What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?
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Which statement best describes the direction of the buoyant force on any object? a. opposite the force of gravity b. in the same direction as the weight c. in the direction of motion of the object d. opposite the direction of motion of the object
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John is driving in a car going 55 mph. mary is driving on the same road in the same direction at 60...
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