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An electric dipole consists of charges +2e and -2e separated by 0.53 nm. It is in an electric field of strength 4.60 106 N/C. Calculate the magnitude of the torque on the dipole when the dipole moment has the following orientations. (a) parallel to the field (b) perpendicular to the field (c) antiparallel to the field
A car is traveling at 53.0 mi/h on a horizontal highway. If the coefficient of static friction between road and tires on a rainy day is 0.104, what is the minimum distance in which the car will stop
In a television picture tube, electrons strike the screen after being accelerated from rest throughout a potential difference of 28000 V.
A 20 wood ball hangs from a 1-long wire. The highest tension the wire can withstand without breaking is 600. A 0.90 projectile travelling horizontally hits and embeds itself in the wood ball. What is the largest speed this projectile can have with..
Released from rest at the same height, a can of frozen juice rolls to the bottom of the same hill. What is the translational speed of the frozen juice can while it reaches bottom.
Years ago, a block of ice with a mass of about 19.0 kg was used daily in a home icebox. The temperature of the ice was 0.0°C when it was delivered. how much heat did a block of ice absorb
A 1400 wrecking ball hangs from a 20 -long cable. The ball is pulled back until the cable makes an angle of 30.0 with the vertical. By how much has the gravitational potential energy of the ball changed?
A Carnot engine has 40 g of helium gas as its working substance. It operates between two reservoirs of temperatures T1 = 400°C and T2 = 60°C. Calculate the heat absorbed and the waste heat ejected during one cycle
A photon with a wavelength of 5.90e-11 m is scattered by a loosely bound electron in a metallic target and exits at an angle of 135° from its original direction
A bicyclist is heading east at 6.6 m/s for 2.5 minutes when she realizes she left her cell phone in her apartment. What is her average speed and velocity for the round trip
A 2.70 uF capacitor is charged to 80 uC and then placed in series with a 6.4 M ohms resistor and an open switch. What is the initial voltage across the capacitor
A pail of water is rotated in a vertical circle of radius 1.45 m. What is the minimum speed of the pail at the top of the circle if no water is to spill out
A person scuffing her feet on a wool rug on a dry day accumulates a net charge of -40?C. By how much does her mass increase
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