Physics, 15.04.2020 21:20 arnold2619
A passenger in a train accelerating smoothly away from a station observes that a child’s yo-yo hanging by its string from a luggage rack makes a 10 degree angle from the vertical. Calculate the train’s acceleration?
Calculate the radius of a solid iron sphere that will have a terminal velocity of 100 m/s when dropped from a large height.
Density of iron is 7874 kg/m3. A sphere has Cd = .47. Use p = 1.3kgm3 for air
Answers: 3
Physics, 21.06.2019 23:20, marc2007
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 16:40, ashleypere99
Panel bc in fig. p2.76 is semi-circular, with the 3 meter radius and horizontal straight edge through point b. compute (a) the hydrostatic force of the water on the panel, (b) its center of pressure, and (c) the moment of this force about point b. assume atmospheric pressure on the dry side of the panel
Answers: 3
Physics, 22.06.2019 20:00, scott5315
Aspectroscope breaks light up into its colors, allowing scientists to analyze light from the solar system and universe. by studying the spectral line patterns, widths, strengths and positions, scientists can determine the speed, position, and of celestial bodies. a) age b) origin c) rotation d) temperature
Answers: 1
A passenger in a train accelerating smoothly away from a station observes that a child’s yo-yo hangi...
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