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Two parallel wires of length 17 m are separated by a distance of a = 0.13 cm. The first carries a current of I1 = 2 A and the second a current of I2 = 1 A in the same direction.
What is the magnetic force on each wire?
N
A horizontal force of magnitude 100 N begins to pull directly on block. In unit-vector notation, what are the resulting accelerations of (a) block and (b) slab.
A 100-W lightbulb has a resistance of about 12 ? when cold (20 ?C) and 140? when on (hot). Estimate the temperature of the filament
An airplane with a speed of 87.7 m/s is climbing upward at an angle of 35.1 ° with respect to the horizontal. When the plane's altitude is 533 m, the pilot releases a package.
Block 1, of mass m1 = 0.700kg , is connected over an ideal (massless and frictionless) pulley to block 2, of mass m2, Find the mass of block 2
A person pulls a 26kg suitcase using a rope attached to the suitcase at an angle of 28 degrees to the horizontal. The coefficient of static friction of the suitcase with the floor is 0.3 and the coefficient of kinetic friction is 0.20.
An object moving with uniform acceleration has a velocity of 16 cm/s in the positive x direction when its x coordinate is 3 cm. If its x coordinate 1 s later is -5 cm, what is its acceleration.
what is the direction of its velocity relative to the frame of reference.
Given that Neptune is about 30 AU from the sun, how many years does it take to complete an orbit around the Sun? Using this information
The x position of (a) is 8.6 m. The y position of (b) is 8.68 m. The wave travels at a speed of 3.2 m/s. What is the amplitude of the wave?
A cube of side 8.50cm is placed in a uniform field E=7.50×103 N/C with edges parallel to the field lines, What is the net flux through the cube, What is the flux through the right face
During a fun run a girl runs for 12 s moving 2.7 m/s. She then accelerates at 0.5 m/s^2 over the next 25 m. she then runs at her new speed for 10s. What distance did she cover during the entire period?
Explain how many atoms strike the umbrella each second? Assume that the wind blows horizontally so that the gravity can be neglected.
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