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Assume that all surfaces in the figure are frictionless. What value should m have so the masses won't accelerate? Now take μk = 0.15 on all surfaces and m = 1.1 kg . What will be the acceleration of both masses? Show the force diagram for each.
A child pulls a wagon at a constant velocity along a levelsidewalk the child does this by applying a 22 newton force to the wagon handle which is incline at 35 degrees to the sidewalk
A copper rod, an aluminum rod, and a brass rod, each of 6.00 m length and 1.00 cm diameter, What is the steady-state-temperature of the cooper-aluminum junction
A small ball is attached to one end of a spring that has an unstrained length of 0.152 m. By how much would the spring stretch if it were attached to the ceiling and the ball allowed to hang straight down, motionless
A rock is dropped from a height of 100 m above the ground. How long after the ball is thrown will the objects be at the same height above the ground
For steel, Young's modulus is 2.0 x 1011 N/m2; and the coefficient of linear expansion is 1.2x 10-5/Co. Use your knowledge of linear thermal expansion and stress to calculate the tension in the string at the concert.
A charge of 160 µC is at the center of a cube of edge 85.0 cm. Noother charges are nearby. Find the total flux through each face of the cube. Find the flux through the whole surface of the cube.
an irregularly shaped piece of metal has a weight of 0.882 n. it is suspended from a scale which reads 0.735 n when the
An infinite non conducting sheet has a surface charge density σ = +5.80 pC/m2. (a) How much work is completed by electric field because of the sheet if a particle of charge q = +1.60 × 10-19 C is moved from the sheet to a point P at distance d = 3.56..
A sample of gas (? = 1.5) is taken through an adiabatic process in which the volume is compressed form 1600 cc to 400 cc. If the initial pressure is 150 KPa, what is the final pressure? How much work is completed on the gas in process.
The magnitude of a magnetic field a distance 0.0001 m from a wire is 11.0*10^4 T. How much current is flowing through the wire
Describe the additional assumptions , conditions ,and steps required to derive the Navier-Stokes Equations from the momentum equations. Use as little mathematics as possible.
In traveling to the Moon, astronauts aboard the Apllospacecraft put themselves into a slow rotation to dsitribute theSun’s energy evenly. At the start of their trip, theyaccelerated from no rotation to 1 revolution per minute during a12- min time ..
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