Physics, 19.02.2020 03:52 aaleeyahprice
Consider a spherical tank full of water with radius 3 m (plus a spout on top 1m high). Set up an integral expression for the work required to pump all of the water out of the spout. You can assume the density of water is 1000 kg/m3 , and g ≈ 9.81 m/s2 is gravitational acceleration.
Answers: 3
Physics, 21.06.2019 23:20
In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.
Answers: 1
Physics, 22.06.2019 06:30
What are similarities and differences between refraction, reflection, diffraction and absorption?
Answers: 3
Physics, 22.06.2019 12:30
Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j
Answers: 3
Physics, 22.06.2019 19:00
The friction of the water on a boat produces an acceleration of -10. m/s2. if the boat is traveling at 30. m/s and the motor is shut off, how long it take the boat to slow down to 5.0 m/s?
Answers: 3
Consider a spherical tank full of water with radius 3 m (plus a spout on top 1m high). Set up an int...
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