Physics, 02.10.2019 12:30 fatherbamboo
A0.100-kilogram apple hangs in a tree 1.50 meters above the ground. ignoring frictional effects, the total mechanical energy of the apple is
0.00 j
less than 1.47 j but more than 0.00 j
exactly 1.47 j
more than 1.47 j
Answers: 2
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Answers: 1
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A2000 kg car is rounding a curve of radius 200 m on a level road. the maximum frictional force the road can exert on the tires of the car is 4000 n. what is the highest speed at which the car can round the curve?
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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.
Answers: 2
A0.100-kilogram apple hangs in a tree 1.50 meters above the ground. ignoring frictional effects, the...
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