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The figure below shows two point charges q1 = +5.6x10-8 C and q2 = -6.3x10-8 C.
1) Find the potential at A.
2) Find the potential at B.
3) Find the potential difference Va-Vb
Light enters a container of liquid at an angle of 42 degree to the normal; the refracted beam makes an angle of 31 degree with the normal. Determine the index of refraction of this liquid
Two gliders are moving on a horizontal frictionless air track. Glider 1 has mass m1 = 196.7 g and is moving to the right (positive x-direction) with speed 2.687 m/s. What is the mass of glider 2
A styrofoam ball of mass 0.120 g is placed in an electric field of 6000 N/C pointing downward. What charge must be placed on the ball for it to be suspended
A mortar* crew is positioned near the top of a steep hill. Enemy forces are charging up the hill and it is necessary for the crew to spring into action. How fast will the shell be traveling when it hits the ground
A space station of mass 4.5 × 104-kg is to be constructed in the shape of a thin annular cylinder (or ring). The inner radius of the annular cylinder is 100-m, and the outer radius (and location of the floor) is 105-m. Artificial gravity equivalent t..
The uniform diving board has a mass of 33 kg. There are 2 distances on it: 1. the distance from point A to point B is 1m. 2. The distance among point B and the end of the diving board is 3.6 m. discover the force on the support A when a 69 kg diver s..
A horizontal circular wire loop of radius 0.7 meter lies in a plane perpendicular to a uniform magnetic field pointing from above into the plane of the loop, has a magnitude of 0.44 T. find the magnitude of the average induced emf in the wire
The electric field just above the surface of the charged hollow drum of a photocopying machine has a magnitude E of3.0E+5 N/C. What is the surface charge density on thedrum if it is a conductor?
A 60.0g ice cube can slide without friction up and down a 33.0 slope. what distance will it travel up the slope before reversing direction
A string 2.0 m long has a mass of 2.4 x 10-2 kg. When fixed at both ends, it vibrates with a fundamental frequency 150 Hz. What is the speed of the wave on this wire? What is the frequency of its third harmonic?
A 65-kg skier is going down a slope oriented 33° above the horizontal. The area of each ski in contact by the snow is 0.13m2. Decide the pressure that each ski exerts on the snow.
Two solenoids are part of the spark coil of an automobile. When the current in one solenoid falls from6.8 A to zero in 2.5 ms, an emf of24 kV is induced in the previous solenoid. What is the mutual inductance M of the solenoids?
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