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A long current-carrying wire is parallel to the y axis with the current I = 4.3 A along the +y direction. A magnetic field of magnitude B = 1.1 T lies in the y—z plane, directed 35° away from the y axis as shown in the figure below. (a) What is the direction of the magnetic force on the wire? 1 in the +x direction in the −x direction in the +y direction in the −y direction in the +z direction in the −z direction (b) What is the magnitude of the magnetic force on a 1.2-m-long section of the wire? 2 N
find the highest distance throughout which his center of gravity can fall without his breaking a bone.
A centrifuge is rotating at 10,000 revolutions/minute. It is brought to rest in 4.00 seconds under a constant acceleration. Determine the initial angular velocity of the centrifuge in rad/sec
An astronaut is tethered by a strong cable to a spacecraft. The astronaut and her spacesuit have a total mass of 104 , while the mass of the cable is negligible. What force does the cable exert on the astronaut
an irregular conductor carries a surface charge density of -6.75 cm2 at and in the vicinity of a point p on the
person 1.6 m tall stands 5.2 m from a reflecting globe in a garden. How large is the person's image
Calculate the angle between the lines (in degrees). Use the angle in the +y direction from the crossing point. (All distances are in meters.)
At what driving frequency fd do two phasors have the same length? At that driving frequency, what are (c) the phase angle in degrees, (d) the angular speed at which the phasors rotate, and (e) the current amplitude?
A -19 mC charge experiences a force of 60 N directed south. What is the electric field magnitude and direction at the location of the charge
A 100-? resistor, an inductor and a 3.0-µF capacitor are connected in series with a time varying emf of 10.0 V and frequency 1000 Hz. What is the inductance of the inductor
A plank 2.00 cm thick and 13.7 cm wide is firmly attached to the railing of a ship by clamps so that the rest of the board extends 2.00 m horizontally over the sea below. find the shear modulus of the wood
Suppose someone is running towards a siren which is at rest. The siren emits a frequency of 400 Hz. What will the person hear
question1a small ball of mass 2x10-3 kg having a charge of 1uc is suspended by string of length 0.8 m. another
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