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Physics, 21.06.2019 13:00
How well does the extrapolated value (the slope of the trend line) agree with the accepted value of free-fall acceleration (g = 9.8 m/s2)?
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Physics, 21.06.2019 21:40
Avery hard rubber ball (m = 0.5 kg) is falling vertically at 4 m/s just before it bounces on the floor. the ball rebounds back at essentially the same speed. if the collision with the floor lasts 0.05 s, what is the average force exerted by the floor on the ball?
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Physics, 22.06.2019 04:20
The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is
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Physics, 22.06.2019 07:00
If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?
Answers: 2
The electric field 2.8 cm from a small object points toward the object with a strength of 180,000 N/...
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