GEG 120 Study Guide - Midterm Guide: Minoan Civilization, Phreatic, Cascade Volcanoes

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bronzecockroach819

14 May 2013

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Divergence () oceanic ridge spreading as magma wells up from the asthenosphere and new crust is created as at mid. Convergence (-->>> lava) often accompanied by rock fragments and explosive gases. State of activity (sea mounts are undersea volcanoes) Varying viscosity (range of flows: motor oil>> thick porridge)

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A truck is stopped for a red light at Ridge Road on Higgins line.At the instant the light turns green, the truck pulls away with aconstant acceleration of 2.3 m/s2. A cyclist approaching the truckwith a constant velocity of 10.8 m/s is 9.90 m behind the truckwhen the light turns green. What is the elapsed time from thechanging of the light to when the cyclist passes the truck?

I have used 2.3t^2=10.8t-9.9 and got an answer of 1.25, but when Iinput this answer into the assignment it came up as incorrect. Whatcan I do to get the right answer?

(a) A double-slit experiment is set up using red light (? = 710nm). A first order bright fringe is seen at a given location on ascreen. What wavelength of visible light (between 380 nm and 750nm) would produce a dark fringe at the identical location on thescreen?

(b) A new experiment is created with the screen at a distance of1.8 m from the slits (with spacing 0.1 mm). What is the distancebetween the second order bright fringe of light with ? = 689 nm andthe third order bright fringe of light with ? = 415 nm? (Give theabsolute value of the smallest possible distance between these twofringes: the distance between bright fringes on the same side ofthe central bright fringe.)

1. Which of the following will create a MAGNETIC FIELD?Choose all thatapply.

A neutron moving in a circle whiletraveling at a constant speed of20 in/min. A proton thatis slowing down from 500 km/h to 400 km/h.An electronmoving at a constant velocity of 60 mph due north.Aneutrino that is speeding up from 1000m/s to 1200 m/s. An ion thatis stationary.

b. Which of the following statements are IMPOSSIBLE? Choose allthat apply.1 1

A moving ion created a magneticfield. A neutrino that wasstationary emittedan EM wave. A neutron and a positive ion willrepeleach other. A source and observer were movingtowards eachother. As a direct result, there was not a DopplerEffect. A convexlens created a virtualimage. In milk, loud sounds travel thesamespeed as soft sounds.

c. Which of the following statements are IMPOSSIBLE? Choose allthat apply.

A perfectly functioning hydraulic had apressure of 33 psi in thefluid near the small piston and apressure of 19 psi in the fluidnear the big piston.A 32 L container displaced 44 L oforange juicewhen fully submerged. A substanceunderwent melting during which itstemperature changed 74Â°F. A 37 lb brick was fully submergedinwater. The buoyant force on the brick was 41 lb. As adirectresult, the brick was neutrally buoyant. Last Sunday,the Sunheated the Moon via convection. Thetemperature inside a vacuumchamber was measured to be 13Â°C.

GEG 120 Study Guide - Midterm Guide: Minoan Civilization, Phreatic, Cascade Volcanoes

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