Aperson travels by car from one city to another with different constant speeds between pairs of cities. she drives for 30.0 min at 80.0 km/h, 45.0 min at 40 km/h and 12.0 min at 100 km/h, and spends 15.0 min eating lunch and buying gas. determine the average sped for the trip. determine the difference between the intial citties along the route.
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Physics, 23.06.2019 06:20
Which statements best describe energy? check all that apply. the total amount of energy in the universe remains constant. the total amount of energy in the universe changes constantly. energy cannot be converted from one form to another. energy can be converted from one form to another. energy cannot be created or destroyed. energy can be created or destroyed.
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Physics, 23.06.2019 09:30
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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Aperson travels by car from one city to another with different constant speeds between pairs of citi...
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