Physics, 30.09.2019 23:00 Dogtes9667
Charlie is playing with his daughter torrey in the snow. she sits on a sled and asks him to slide her across a flat, horizontal field. charlie has a choice of (a) pushing her from behind by applying a force downward on her shoulders at 30^\circ below the horizontal (fig. a), or (b) attaching a rope to the front of the sled and pulling with a force at 30^\circ above the horizontal (fig. b). which would be easier for him and why?
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Physics, 22.06.2019 05:30
Iwill give 30 points to whoever answers ! what is the formula for actual mechanical advantage and ideal mechanical advantage?
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Physics, 23.06.2019 00:00
If water vapor with the mass of 35.0 grams is cooled and condensed into water in a closed system such as a closed glass jar, what is the mass of the water after the water vapor completely condenses? a) 34.5 grams b) 35.0 grams c) 35.5 grams d) the mass cannot be determined without knowing the volume
Answers: 2
Physics, 23.06.2019 01:30
Each line (unit) on the horizontal axis represents: 5 years 10 years 20 years all of the above
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Charlie is playing with his daughter torrey in the snow. she sits on a sled and asks him to slide he...
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