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An electric dipole p of magnitude 25 p C • m makes an angle of 65º with a uniform electric field E of magnitude 3.0 x 10-6 N/C. What is the magnitude of the torque on the dipole?
when the field is vertical to the plane of loop, when the field makes a 90.0 angle with the normal to plane.
An initially motionless test car is accelerated uniformly to 145 km/h in 8.28 seconds before striking a simulated deer. The car is in contact with the faux fawn for 0.455 seconds, after which the car is measured to be traveling at 60.0 km/h.
A conducting spherical shell with a total uniformly distributed charge of -4Q on the combination of inner and outer surfaces has a point charge at the center of the shell
An automobile with 0.250 m radius tires travels 60,000 km before wearing them out. How many revolutions do the tires make
A wheel with a radius of 20 cm rotates constantly counter-clockwise once every 5 s. What is the centripetal acceleration of the wheel rim
what is the index of refraction of the jelly? 2 glass plates are parallel and between is jelly 0.015mm thick. the glass has an index of refraction 1.53, the plates are each 8.00 cm long, 10 dark fringes are 6.33mm apart. wave length is 525nm .
A diver in a swimming pool shines a flashlight up from below the water%u2019s surface at an angle of 30.0 degrees from the normal. at what angle to the normal does the light leave the water
a rectangular air mattress is 2.0 m long, 0.50 m wide, and0.08 m thick. If it has a mass of 2.0 kg, what additional mass can it support in water
A model rocket launches with initial net upward accelration 1.5g (g is 9.8), This accelaration is maintained for 3 seconds. At what time does the rocket reach its maximum height
The speed of a 135-gram hockey puck decreases from 37.0 m/s to 30m/s while coasting a distance of 12.5 meters. Find the force of friction between the ice and the puck
A 340 kg piano slides 3.7 m down a 33° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.37.
An electric kettle of 7.0 ohm resistance containing 500cm3 of water at 10 degrees Celsius is connected to the110 V supply. If 10% of the electrical energy is wasted byimperfect insulation, calculate how long it takes to convert allthe water into s..
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