Physics, 26.03.2021 17:50 kyleap984ovm04g
You throw a rock straight up. Answer the following questions. (No calculations are necessary for this
(a) What is the acceleration of the rock as it moves upward? (You need to give both magnitude and direction.)
(b) What is the velocity of the rock when it is at its maximum height?
(c) After reaching its maximum height, the rock starts moving downward. What is the acceleration of the rock as it moves downward? (You need to give both magnitude and direction.)
Answers: 1
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The space between two 15-in.-long concentric cylinders is filled with glycerin (viscosity = 8.5 × 10-3 lb·s/ft2). the inner cylinder has a radius of 1 in. and the gap width between cylinders is 0.1 in. determine (a) the torque and (b) the power required to rotate the inner cylinder at 180 rev/min. the outer cylinder is fixed. assume the velocity distribution in the gap to be linear.
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Physics, 23.06.2019 02:30
Why does the liquid rise up through the dip tube when the valve is open
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Physics, 23.06.2019 08:30
Zamir and talia raced through a maze. zamir walked 2 m north, 2 m east, 4 m south, 2 m east, 4 m north, 2 m east, 3 m south, 4 m east and 4 m north. talia walked 2 m north, 6 m east, 3 m south, 4 m east, and 4 m north. compare their displacements: zamir's displacement is talia's displacement.
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Physics, 23.06.2019 20:00
In which situation is maximum work considered to be done by a force? a. the angle between the force and displacement is 180°. b. the angle between the force and displacement is 90°. c. the angle between the force and displacement is 60°. d. the angle between the force and displacement is 45°. e. the angle between the force and displacement is 0°.
Answers: 2
You throw a rock straight up. Answer the following questions. (No calculations are necessary for thi...
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