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Design activities to teach sources of energy to elementary school class
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In an experiment, how can i change human errors? be specific.
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Humidity is to blame for that muggy, steamy feeling you experience on some hot summer days. what gas in the atmosphere causes humidity? a) oxygen b) hydrogen c) nitrogen d) water vapor
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Emmy kicks a soccer ball up at an angle of 45ยฐ over a level field. she watches the ball's trajectory and notices that it lands, two seconds after being kicked, about 20 m away to the north. assume that air resistance is negligible, and plot the horizontal and vertical components of the ball's velocity as a function of time. consider only the time that the ball is in the air, after being kicked but before landing. take "north" and "up" as the positive โ and โdirections, respectively, and use โ10 m/s2 for the downward acceleration due to gravity.
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Design activities to teach sources of energy to elementary school class...
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