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Question1
Two plates detached by a distance 16.8 mm are charged to a potential dissimilarity of 7.25 volts. A constant 8.81 N force pushes an 8.30 mC charge from the positively charged plate to the negatively charged plate. Using concept of work-energy, compute the change in kinetic energy ΔT, potential energy ΔU, and total energy ΔE of the charge as it travels from one plate to the other. Imagine an initial speed of the electron is 0.
Question2
An 8.70- block slides with an initial speed of 1.68 down a ramp inclined at an angle of 25.6 with the horizontal. The coefficient of kinetic friction between block and ramp is 0.76.Use energy conservation to find out the distance the block slides before coming to rest.
A spring with spring constant 15N/m hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. What is its the mass of the ball
Two 29.0%u2212cm -focal-length converging lenses are placed 14.0cm apart. An object is placed 39.0cm in front of one lens. Where will the final image formed by the second lens be located
The displacement of an object moving under uniform acceleration is some function of time and the acceleration. Suppose we write this displacement as s=ka^mt^n, where k is the dimensional constant. Show by dimensional analysis that this expression ..
questionat a construction site a 65.0 bucket of concrete hangs from a light but strong cable that passes over a light
The acceleration due to gravity at the surface of a planet is 18 m/s2. find the speed of the satellite to maintain this stable orbit
In a movie, a person is supposed to jump with a motorcycle from the roof of one skyscraper to another one. what minimum initial speed would she need to make the jump
An engineer is designing a runway for a new airport. Of the planes which will use the airport, the lowest acceleration rate will be 3 m/s2. Assuming the minimum acceleration, what is the minimum allowed length for the runway
A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies of sound by 32.5 dB. What is the intensity delivered to the eardrum
the fact that it moves very slowly by sky would probably cause it to be named after Yurtle, the god of turtles.
Conside a spherical asteroid (radius 10km and constant mass density 3g/cm^3). The core extends to 3km, Determine the temperature at the center of the asteroid
question11. directions of electric field are indicated on field lines. why dont you have a direction indicated on an
question1a woman walks 290 m in the direction 37deg east of north then 177 m directly east. finda magnitude andb angle
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