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A particle with a charge of +8.7 ?C and a speed of 45 m/s enters a uniform magnetic field whose magnitude is 0.35 T. For each of the cases in the drawing, find the magnitude of the magnetic force on the particle.
A ball is thrown against a smooth wall. The bass has mass 6.0g and strikes the wall in the perpendicular direction with a speed of 12 m/s. what is magnitude of the impulse delivered by the wall
A metal rod 32 cm long moves in a plane perpendicular to a magnetic field of 200 G. Find the speed of the rod if the potential difference between the ends is 6 V
Power windmills turn in response to the force of high-speed drag. For a sphere moving through a fluid, the resistive force, FR is pro- portional to r2v2, where r is the radius of the sphere and v is the fluid speed.
Two balls attached to strings have the same mass and volume, but are made of different materials. Which ball exerts a greater net force on the block
An 88? resistor has a current of 0.70A and is connected in series with a 130? resistor. What is the emf of the battery to which the resistors are connected
A 94 g piece of ice at 0.0°C is placed in an insulated calorimeter of negligible heat capacity containing 100 g of water at 100°C, What is the final temperature of the water once thermal equilibrium is established
For a single slit diffraction, first dark fringe appears at an angle 15 degrees from the central maxium. At which angle will the 3rd dark fringe be formed
Two free point charges +q and +4q are a distance l apart. Find the location, magnitude, and sign of the third charge
An Australian emu is running due east in a straight line at a speed of 17.6 m/s and slows down to a speed of 15.7 m/s in 7.7 s. Assuming that the acceleration remains the same, what is the bird's velocity after an additional 2.0 s has elapsed?
A Carnot engine absorbs 950J of heat each cycle and provides 340J of work. How much heat is rejected each cycle
Andy (mass 77kg ) uses a 2.7m -long rope to pull Bob (mass 61kg ) across the floor (μk=0.20) at a constant speed of 1.0m/s. What is the mass of the rope
What is the velocity of a beam of electrons that goes undeflected when moving perpendicular to an electric and magnetic fields
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