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An object travels in a straight line for 1200 m at a velocity of 50 m/s, what is its time of travel?
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During which step of the scientific method does a scientist make an educated guess about the outcome of an experiment? a. form a hypothesis b. analyze the results c. design an experiment d. collect data
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If 150 kcal of heat raises the temperature of 2.0 kg of a material by 400 f°, what is the specific heat capacity of the material? 0.75 kcal/kg ∙ c° 1.35 kcal/kg ∙ c° 0.19 kcal/kg ∙ c° 0.34 kcal/kg ∙ c°
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A25 gram bullet is fired from a gun with a speed of 230 m/s. if the gun has a mass of 0.9 kg what is the recoil speed of the gun ?
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An object travels in a straight line for 1200 m at a velocity of 50 m/s, what is its time of travel?...
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