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An electron moves at 2 × 106 m/s through a region in which there is a magnetic field of unspecified and magnitude 7.4 × 10-2 T. Find the largest possible magnitude of the acceleration of the electron due to the magnetic field.
A wire 3.00 m long and 0.450 mm2 in cross-sectionalarea has a resistance of 38 at 20°C. If its resistance increasesto 38.3 at 28.0°C, what is the temperature coefficient of resistivity?
A 0.70kg piece of lead at a temperature of 160C is dumped into 800mL of water at a temperature of 22C , How much heat flowed in this process
A spring is resting vertically on a table. A small box is droppedonto the top of the spring and compresses it, What is the magnitude of the spring's displacement whenthe spring is fully compressed
A 740 gram grinding wheel 21.5 cm in diameter is in the shape of a uniform solid disk. What torque does friction exert while the wheel is slowing down
A baseball player hits a ball at 49.2m/s at an angle of 29.0 degrees above the horizontal. The outfield bleachers are 145 m away from the home plate.
At what speed does a clock move by respect to an observer that measures it to run at one-sixth the rate of an identical clock at rest with respect to the observer?
A 160 lb person has a mass of 160/32 = 5 slugs. A 160 lb person steps into an elevator and stands on a bathroom scale. Determine the scale reading for the given scenarios
A spring is hung from the ceiling. A 0.459 -kg block is then attached to the free end of the spring. What is the spring constant of the spring
A small statue has a height of 3.8 cm and is placed in front of a concave mirror. evaluate the focal length of the mirror
question1babe didrikson holds the world record for the longest baseball throw 296 ft by a woman. for the next questions
A string's tension force supplies the centripetal force needed to keep a yo-yo whirling in a circle. What kinds of forces keep a roller coaster held to a looping track
Neglect air resistance and muscle atrophy and assume the same upward normal reaction force as on earth: how far could she long jump on the moon
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