Physics

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The pressure drop in a tube carrying a viscous fluid is described by A) Bernoulli's principle. ... Started by xroflmao	1 Replies 63 Views	Jul 29, 2018 by batool
A bullet is fired from ground level with a speed of 150 m/s at an angle 30.0 above the horizontal at ... Started by bclement10	3 Replies 157 Views	Jul 29, 2018 by emsimon14
A potter's wheel is rotating at 1.00 rpm. What centripetal force is required to hold a 1.00 g lump ... Started by misspop	1 Replies 70 Views	Jul 29, 2018 by Anton
The fact that a pin placed carefully on the surface of the water can remain there without sinking is ... Started by brutforce	1 Replies 33 Views	Jul 29, 2018 by Qarqy
If a lens is submerged in water, what happens to its focal length? A) It decreases. B) It stays ... Started by dakota nelson	1 Replies 48 Views	Jul 29, 2018 by Shshxj
Select which statement is correct in describing the image formed by a thin lens of a real object ... Started by bio_gurl	3 Replies 100 Views	Jul 29, 2018 by mmpiza
Why does it hurt more to fall from a certain height to the ground than it does to fall from the same ... Started by haleyc112	1 Replies 110 Views	Jul 29, 2018 by owenfalvey
A beam of white light goes through dispersion in a prism. The color that bends the most is A) ... Started by HCHenry	1 Replies 118 Views	Jul 29, 2018 by krakiolit
An astronaut in a space capsule is experiencing weightlessness. Does the astronaut have to exert any ... Started by Bernana	1 Replies 207 Views	Jul 29, 2018 by meltdown117
David stands 2.5 meters in front of a plane mirror. (a) How far from David is David's image in ... Started by Medesa	3 Replies 244 Views	Jul 29, 2018 by leeeep
What is the momentum of a photon of light that has a wavelength of 480 nm? A) 1.1 10-27 kgm/s ... Started by fahad	1 Replies 81 Views	Jul 29, 2018 by Pariscourtney
A Ferris wheel with a radius of 8.00 m rotates at a constant rate, completing one revolution in 30.0 ... Started by bio_gurl	1 Replies 125 Views	Jul 29, 2018 by tuate
When a hunter fires a rifle, the hunter feels a force against her shoulder. Explain why. What ... Started by jake	1 Replies 157 Views	Jul 29, 2018 by tennis14576
A soccer ball whose radius is 11 cm rolls a distance of 10 m in 3.50 s. What is the angular speed of ... Started by a0266361136	3 Replies 80 Views	Jul 29, 2018 by iceage
A speeding car is traveling at a constant 30.0 m/s when it passes a stationary police car. If the ... Started by segrsyd	1 Replies 50 Views	Jul 29, 2018 by kaillie
A 1959 penny has a diameter of 19.55 mm, a thickness of 1.55 mm, and a mass of 2.500 g. What is its ... Started by stevenposner	1 Replies 78 Views	Jul 29, 2018 by DylanD1323
A 1938 nickel has a diameter of 21.21 mm, a thickness of 1.95 mm, and weighs 0.04905 N. What is its ... Started by jace	1 Replies 112 Views	Jul 29, 2018 by bbburns21
A package is dropped from a helicopter moving upward at 15 m/s. If it takes 16.0 s before the ... Started by Capo	3 Replies 44 Views	Jul 29, 2018 by amanda_14
Force is a vector quantity. Indicate whether the statement is true or ... Started by dalyningkenk	1 Replies 83 Views	Jul 29, 2018 by harveenkau8139
The de Broglie wavelength of an electron is 380 nm. What is the speed of this electron? A) 2.04 ... Started by vHAUNG6011	1 Replies 97 Views	Jul 29, 2018 by emsimon14
The length of a certain wire is doubled while the radius is reduced by a factor of 4. What is the ... Started by james9437	1 Replies 71 Views	Jul 29, 2018 by amanda_14
A ball is projected upward at time t = 0.0 s, from a point on a roof 90 m above the ground. The ball ... Started by WWatsford	3 Replies 109 Views	Jul 29, 2018 by mariahkathleeen
A force is required for an object to move. Indicate whether the statement is true or ... Started by KimWrice	1 Replies 55 Views	Jul 29, 2018 by al
At the same moment from the top of a building 3.0 102 m tall, one rock is dropped and one is thrown ... Started by strangeaffliction	1 Replies 110 Views	Jul 29, 2018 by parshano
A certain crystal has an interatomic spacing of 0.142 nm. If a beam of electrons moving with a speed ... Started by karen	1 Replies 95 Views	Jul 29, 2018 by cupcake16