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You are preparing for a 5-day backpacking trip where you plan to use a gasoline cook stove for about 30 min each morning and night. The description of your cook stove brags that the stove can warm 1 L of water to boiling in about 12 min.
(a) Estimate the minimum amount of gasoline you should take on your trip.
(b) Explain why the assumptions you made in your calculation for part a mean that the amount of gas you actually need will probably be somewhat larger.
A 500-g block is released from rest and slides down a frictionless track that begins 2.40 m above the horizontal, Find the maximum distance the spring is compressed
A certain guitar string has a length of 0.7 meters and a linear mass density of 1.2 grams/meter. A tension of 24 Nt. is applied to it. What will be the speed of the wave on the string
a gas cylinder containing 3.88 mol of helium has a pressure of 549 mm hg at 298 k.if 1.22 mol of neon is added to this
The Large Hadron Collider, or LHC, to be completed later this year, accelerates protons around a nearly circular track of circumference 26.66 km to a momentum of up to 3.74e-15 kg m/s, For the same magnetic field as in part (a), what is the momentu..
A nonrefelctive coating (n=1.43) covers the glass (n=1.52) ofa camera lens. Assuming that the coating prevents reflection ofyellow-green light (wavelength in vacuum = 563nm), determine theminimum nonzero thickness that the coating can have.
during a rockslide a 660 kg rock slides from rest down a hillside that is 720 m along the slope and 250 m high. the
compute the coefficient of kinetic friction between block A and the tabletop.
A particle is acted on by two torques about the origin: τ1 has magnitude 10 N m and pointsin the direction of increasing x, and τ2 has a magnitude of 12N m and points in the direction of decreasing y.
Suppose I have three small objects of equal mass m. I place them on a massless, rigid, circular hoop of radius R. what is the moment of inertia for the whole system
The sketch at the left shows a square loop of wire. Its resistance is 5 O. Its dimensions are shown: a = 4.0 em, b = 5.0 em. The nearby wire carries a current of 10.0 A. This current is increasing at the rate 120 A/s. What is the current in the lo..
A 50 kg sled is subject to a net force of 20 N pushing in the direction of the sled motion as it is moving over a horizontal surface for a distance of 11 m after having started from rest. find the work done by friction while the sled is on the incl..
A flywheel comprises a uniform circular disk with a mass of 101.0 kg and a radius of 1.1 m. It rotates with an angular velocity of 1183 rev/min. ow many revolutions does the flywheel make while it is stopping in time 117.0 s
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