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A uniform electric field exists in the region between two oppositely charged parallel plates 1.67 cm apart. A proton is released from rest at the surface of the positively charged plate and strikes the surface of the opposite plate in a time interval 1.56×10−6 s.Find the strength of the electric field and the speed of the proton as it hits the negatively charged plate.
What is the classical acceleration of the electron in a hydrogen atom, separated from the proton by 5.29 x10?11 m? Electron mass = 9.11 x10?31 kg
A blackened, solid copper sphere that has a radius equal to 2.5 cm hangs in an evacuated enclosure whose walls have a temperature of 29°C. find the initial rate at which its temperature changes
a particle of mass 6kg traveling with speed 4m/s in the direction 30 degrees S of W on a horizontal plane suddenly shoots one-third its mass in the north direction with speed 5.5 m/s
What is its velocity when it reaches the maximum height.
How many helium-filled balloons would it take to lift a person, Assume the person has a mass of 80kg and that each helium-filled balloon is spherical with a diameter of 33 cm
A 1850-kg car experiences a combined force of air resistance, At what angle is the hill inclined above the horizontal
A ray of light is incident normally on a glass plate 6.00 cm thick and of refractive index n = 1.29, find the increase in the distance the ray travels in the glass
A water dispenser for pets has an invented plastic bottle ( the water is dyed blue for contrast).When a certain amount of water is drunk from the bowl, Explain the operation of the dispenser
A charged particle of mass m and charge +q is placed in the vertical electrical field E(x)= A-Cx, Find expression describing the angular frequency of the charged particle oscillations
A 13.9-kg monkey is hanging by one arm from a branch and swinging on a vertical circle. obtain the magnitude of the tension in the monkey's arm
A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the field is changing, What current is induced in the square coil
Two charged particles, Q1 = +4.50 nC and Q2 = -2.70 nC, are separated by 30.0 cm. What is the electrical potential energy of the pair
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