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A horizontal wire rod is free to slide on a vertical conducting. The wire has mass 7 kg and length 7 m. It maintains good contact with the conducting frame. The resistance of the circuit is 4 .. A uniform magnetic field with magnitude 7 T is directed perpendicular to the frame (into the page). The wire will accelerate downward until the upward force on the wire (due to the interaction of the current with the magnetic field) balances the gravitational force. Neglecting frictional e.ects, find the terminal velocity of the wire. Answer in units of m/s.
A point mass of m1 = 2.3 kg is placed at the origin. Masses m2 = 5.4 kg and m3 = 7.6 kg are placed at 3.5 m and -5.8 m on the x-axis, respectively. Find out the location on the x-axis of the center of mass.
A 3.0 kg block is initially at rest on a horizontal frictionless surface when a horizontal force in the positive direction of an x axis is applied to the block. What is the kinetic energy of the block as it passes through x = 4.3 m
A 9kg block is connected by a string over a light pulley to a 5kg block that is sliding over a flat table (i.e. the 9kg is pulling the 5kg off the table). If Co-efficient of kinetic friction is 0.200, find the tension in the string.
Determine whether the ground state function for the hydrogen atom is an eigenfunction of each of the following operators kinetic energy operator for H atom and potential energy operator for H atom
A small immersion heater can be used in a car to heat a cup of water for coffee or tea. What is its resistance
A glass lens has a convex surface with radius 25.0 cm and a concave surface with a radius of 50.0 cm. Calculate the focal length of this lens
question1suppose about the demonstration by mcwilliams with the rope and shoe.a. draw a simple figure viewing the
When a beam of atoms emerges from an oven at the absolute temperature T, What is the most probable speed of a hydrogen atom emerging from an oven at 400K
A woman holds a tube of lipstick 5.7 cm from a spherical mirror and notices that the image of the tube is upright and one eighth its normal size. Determine the position of the image. Is it in front of or behind the mirror
A subway train starts from rest at a station and accelerates at a rate of 1.60 m/s^2 for 14.0 s. What is the total distance travelled
A cubical box is filled with sand and weighs 798 N. We wish to "roll" the box by pushing horizontally on one of the upper edges. What minimum coefficient of static friction between box and floor is required
A container of groceries has a mass of 15.0 kg. if its coefficent of static friction is 0.20 what force is needed to start the container to move
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