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The magnitude of the electrostatic force between two identical ions of mass 4.760×10-26 kg that are separated by a distance of 8.20 nm is 1.682×10-10 N. What is the charge of each ion
An object is placed 19cm from a certain mirror. The image is half the size of the object, inverted, What is the radius of curvature of the mirror
A 13.5 micro F capacitor is connected to a power supply that keeps a constant potential difference of 26.0 V across the plates. By how much did the energy change during the insertion
A point charge q1=+2.40 micro C is held stationary at the origin. How much work is done by the electric force on q2
A double-slit interference experiment is performed with light from a laser. The separation between the slits is 0.59 mm, What is the wavelength of the laser light
A 0.46 kg block slides across a tabletop with initial velocity of 3.1 m/s, Find the average friction force that retarded its motion
If the refractive index of air is 1.00029 and all the air is pumped out of the cell, how many fringe-pairs will shift by
One of the mirrors of a Michelson interferometer is moved, and 1000 fringe pairs shift past the hairline in a viewing telescope during the process. haw far was the mirror moved
At the moment of ignition the mass of a rocket is 100 kg. For the first 10 s it burns fuel at the rate of 5 kg/s. find The magnitude of the force developed by its engine
Why is differentiation necessary to build a formal organizational structure? Is differentiation limited to large organizations? How is the concept of span of control related to both integration and
A 30kg child slides down a playground slide at a constant speed. find the magnitude of the kinetic friction force acting on the child
An iron bolt of mass 70.0 g hangs from a string 35.2 cm long. The top end of the string is fixed. Find the magnetic force on the bolt
A molecule of DNA (deoxyribonucleic acid) is 2.08 µm long. The ends of the molecule become singly ionized: negative on one end, Determine the effective spring constant of the molecule
As the police car approaches a brick wall it emits a sound at 800Hz. The speed of the car is 100km/h. Find the beat frequency recorded by the driver of the police car
A small container of water is placed on a carousel inside a microwave oven, at a radius of 14.0 cm from the center. What angle does the water surface make with the horizontal
A circuit consists of an idealized 191 mH in- ductor and a 25.4 µF capacitor. calculate the maximum energy stored in the inductor
An ac generator supplies a peak (not rms) voltage of 120.0 V at 60.0 Hz. What is the average power dissipated in the circuit
A child is twirling a 0.0224-kg ball on a string in a horizontal circle whose radius is 0.104 m. The ball travels once around the circle in 0.350 s. Determine the centripetal force acting on the bal
A generator has a square coil consisting of 217 turns. The coil rotates at 104 rad/s in a 0.146-T magnetic field. What is the length of one side of the coil
Two resistors, 50.0 ? and 52.0 ?, are connected in parallel. The current through the second resistor is 2.10 A. What is the total power supplied to the two resistors
Harold the Hurler is a physics student who is renowned for his baseball pitching arm. How much work does Harold perform on the baseball
A "swing" ride at a carnival consists of chairs that are swung in a circle by 14.3 m cables attached to a vertical rotating pole, Determine the tension in the cable attached to the chair
a ray of light traveling through the air has an angle of incidence of 30 degrees on a block of glass, find speed of light on the block of glass
Two shuffleboard disks of equal mass, one orange and the other green, are involved in a perfectly elastic glancing collision. Determine the final speed of the orange disk
A strip of copper 20 mm wide and 550 µm thick is placed in a uniform magnetic field B of magnitude 0.55 T, with B perpendicular to the strip. What is the current density in this strip