Physics, 24.02.2020 17:35 GrinReaperXll
What amount of energy is required to change a spherical drop of water with a diameter of 1.60 mm 1.60 mm to six smaller spherical drops of equal size? The surface tension, γ γ , of water at room temperature is 72.0 mJ / m 2 72.0 mJ/m2 .
Answers: 2
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 05:20
Which statement is true? a. kepler's laws apply only to the motion of earth. b. kepler's laws can be used to predict eclipses. c. kepler's laws are true for a central force that is directly proportional to distance. d. kepler's laws can be deduced from newton's laws of motion and gravity.
Answers: 2
Physics, 22.06.2019 09:00
Yvette hangs a 2.4kg bird feeder in the middle of a rope tied between two trees. the feeder creates a tension of 480 n in each side of the the rope.
Answers: 1
What amount of energy is required to change a spherical drop of water with a diameter of 1.60 mm 1.6...
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