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The Chicago Bears kicker is attempting a field goal. He is 45 meters away. If he kicks the ball with an initial velocity of 26 m/s at an angle of 40? above the field, and the field goal cross-bar is 3 meters high, will he make the field goal and why?
Both strings are parallel to the ramp. What is the tension in the string tied between the masses? What is the tension between the wall and the upslope mass?
The distance between a loudspeaker and the left ear of a listener is 1.60 m. compute the time required for sound to travel this distance if the air temperature is 20° C.
A long, straight wire carries a current of 200 mA. Obtain the magnitude of the magnetic field 0.012 centimeter from the wire
The mean time between collisions in iron is 5.2×10-15s. What electron current is driven through a 1.5-mm-diameter iron wire by a 0.067V/m electric field
Consider a charged metallic spherical shell of radius a=1.75 cm.The potential at a distance of r=6.0 cm from the center of theshell is measured to be 1.5kV. What is the charge on theshell? Calculate the potential on the surface of theshell.
A straight wire segment 3 m long makes an angle of 30° with a uniform magnetic field of 0.37 T. Find the magnitude of the force on the wire
A cylinder is 0.10 m in radius and 0.20 in length. Its rotational inertia, about the cylinder axis on which it is mounted, is 0.020 kg . m2. A string is wound around the cylinder and pulled with a force of 1.0 N. The angular acceleration of the cylin..
A lead bullet having a velocity magnitude of 360M/Scrashes into a steel wall. Half of the Bullet's kinetic Energy goesinto heating the Bullet. The Bullet is deformed by the crash ButDoes not melt. What is its temperature rise?
To prepare homemade ice cream a crank must be turned with a torque of 3.6 N m. Determine how much work is required to complete eight turns of the crank
Three identical resistors have an equivalent resistance of 30 ohms when connected in parallel. What is their equivalent resistance when connected in series
The blackbody radiation emitted from a furnace peaks at a wavelength of 3.0 10-6 m (0.0000030 m). What is the temperature inside the furnace
Two light sources are used in a photoelectric experiment to determine the work function for a particular metal surface. Based on this measurement, what is the work function for this metal
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