A house has a floor area of 115 m2 and an outside wall that, Ask an Expert

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Q. A 2.97 kg block is pushed 1.45 m up a vertical wall with constant speed by a constant force of magnitude F applied at an angle of 56.6 degrees with the horizontal. The acceleration of gravity is 9.8 m/s2. If the coefficient of kinetic friction between. the block and wall is 0.623, find the work done by F.

Q. A house has a floor area of 115 m2 and an outside wall that has an area of 24 m2. The earth's magnetic field here has a horizontal component of 2.50 e 10-5 T that points due north and a vertical component of 4.30 e 10-5 T that points straight down, toward the earth.

(a) Determine the magnetic flux through the wall if the wall faces north.

(b) Determine the magnetic flux through the wall if the wall faces east.

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