A police man hidden at an intersection observes a car that ignores a stop sign, crosses the intersection and continues at a constant speed. police man starts off 2.0s after the car, accelerates at 6.2m/s2 until the speed is 110Km/h ,then continues at this speed until he catches up with the car 1.4km from the intersection. How fast was the car traveling?
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In which situation has the independent variable for the experiment been changed? check all that apply. changed from counting the number of duckweed at day 0 and day 14 to counting them every day changed from testing duckweed growth in beakers to testing duckweed growth in large outdoor tanks changed from testing the effect of ph on duckweed growth to testing the effect of light levels on duckweed growth changed from testing the effect of acid ph on duckweed growth to testing the effect of basic ph on duckweed growth
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Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is
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Sodium chloride, nacl, is formed when a sodium atom transfers its electron to a chlorine atom. the difference in charge between the two atoms creates a(n) attraction that bonds them together.
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A police man hidden at an intersection observes a car that ignores a stop sign, crosses the intersec...
Computers and Technology, 26.11.2019 23:31