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An electric dipole consisting of charges of magnitude 2.90 nCseparated by 7.30 μm is in an electric field of strength 1400N/C. What are (a) the magnitude of the electricdipole moment and (b) the difference between thepotential energies for dipole orientations parallel andantiparallel to ?
Two equal and opposite charges of magnitude 2.00µC and -2.00µC are held .15 m apart. What force (magnitude & direction) would act on an electron placed at the midway point
A 0.320 kg croquet ball makes an elastic head-on collision with a second ball initially at rest. The second ball moves off with half the original speed of the first ball. (a) What is the mass of the second ball? kg (b) What fraction of the original k..
A 0.175 kg baseball is thrown upward with an initial speed of 12.0 m/s. What is the force on the ball when it reaches its peak
Eight lights are connected in parallel to a 110 V source by two leads of total resistance 2.20. If 240 mA flows through each bulb, what is the resistance of each.
A rocket of total mass 3180 KG is travelling in outer space with a velocity of 115 m/s. To alter its course by 35.0°, how much mass must be expelled
A projectile is fired at an upward angle of 45° from the top of a 308m cliff with a speed of 198 m/s. What will be its speed while it strikes the ground below? (Use conservation of energy.)
A solid sphere with a radius of 9.3 cm an mass of 373 g is allowed to roll 4.30 m without slipping down a 13.2 degree incline. What is the moment of inertia of the sphere
the focal point of a convex mirror is 4.0 m behind the mirror. a woman stands 2.0m in front of the mirror. what is the distance between the woman and her image
A batted baseball leaves the bat at an angle of 33.0 above the horizontal, How high does the ball rise above the point where it struck the bat
In radiofrequency (RF) ablation, a small needle is inserted into a cancerous tumor. When radiofrequency oscillating currents are sent into the needle, ions in the neighboring tissue respond by vibrating rapidly, causing local heating to temperatur..
A block slides down an inclined plane, starting from rest and being pushed with a constant acceleration of 5.20 m/s2 over a distance of 20.4 cm. Find the total time the block is in motion
An electron is moving at a speed of 8.0 103 m/s in a circular path of radius of 2.0 cm inside a solenoid. Find the strength of the magnetic field inside the solenoid
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