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A bar of sufficient length is pushed (without friction) along rails (of sufficient length) that diverge at a 15 degree angle (as shown.) The bar stays vertical throughout the push. The bar starts at the rail's vertex and is pushed at a steady 0.40 m/s to the left. If the magnetic field strength is 0.42 T, what is the average emf induced in the bar between the points which cross the rails in the first 5.0 s of the bar's travel?
If particles 2 and 3, even though not rigidly bound together, are regarded as forming a composite body of mass 2m located at their mid-point r = (1/2)*(r_2 + r_3), find the equations describing the motion of the two-body system comprising particle..
Estimates is the acceleration of the object.
A person pulls a toboggan for a distance of 50.0 m along the snow with a rope directed 25.0° above the snow. The tension in the rope is 78.0 N. How much work is done on the toboggan by the tension force
A 0.22-Caliber handgun fires a 29-g bullet at a velocity of 760 m/s. Calculate the de Broglie wavelength of the bullet.
a child does 350 J of work while pulling a box from the ground up to his tree house with a rope the tree house is 8.4 m above the ground
A steel ruler is calibrated to read true at 17.5°C. A draftsman uses the ruler at 38.5 °C to draw a line on a 38.5°C copper plate. Find to what temperature should plate be cooled
In Young's double slit interferance experiment, it is foundthat the second bright fringe is at the angle of 20 degrees. find the wavelength of the light source
Two rockets approach earth from opposite directions at equal speeds relative to the earth. How fast are the rockets moving with respect to the earth
A piece of radium has an activity of 10 mCi. What is the mass of the radium
Given mass of skier 70kg, initial speed of 12.0m/s, friction coefficient of 0.74, time of 30s, angle is 30 above horizontal how long is the ski trail
A 300 hp car engine can deliver that maximum power at 6000 rpm. What is the engine's torque at that speed
a given capacitor is connected to a 12.0 v battery and when fully charged stores 2.58 x 10-6 j of energy. if the
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