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A parallel-plate capacitor has plates of area 0.2 m2separated by a distance of 0.003 m. What is the strength of theelectric field between these plates when this capacitor isconnected to a 5-V battery?
After falling from rest from a height of 28 m, a 0.46 kg ball rebounds upward, reaching a height of 18 m. If the contact between ball and ground lasted 1.7 ms, illustrate what average force was exerted on the ball?
Two objects are charged and their centers are separated by 31.6 cm. Object A is charged to 61 nC and object B is charged to 54 nC. What is the magnitude of the electrostatic force between them.
A 2-2-2 kinematic coupling uses 19-mm silicon nitride balls and tungsten carbide vees. Determine the Hertz contact stresses for a 50 N coupling load. Is this kinematic coupling overloaded? Where are the locations of maximum compressive, shear and ten..
The siren in an ambulance has a frequency (according to you) of 1095 Hz as it moves toward you at speed v. What is the final speed v of the siren
A charged capacitor is connected to an ideal inductor. At time t = 0, the charge on the capacitor is equal to 6.00 µC. What is the amplitude of the current at that same instant
A man pushes a 37 kg lawn mower using a handle inclined 30.0 degrees from the horizontal. He pushes with 80 N directed along the handle. What's the normal force on the mower
A flowerpot falls off a windowsill and falls past the window below. You may ignore air resistance. It takes time 0.420s to pass this window, which is of height 1.92 m. How far is the top of the window below the windowsill from which the flowerpot ..
A single force acts on a 2.8 kg particle-like object in such a way that the position of the object as a function of time is given by x = 4.2t - 5.0t2 + 1.1t3, Find the work done on the object by the force
Describe how a light water commercial nuclear reactor works. Include a diagram and talk about the role of each of the following factors; fuel, moderator, control rods, coolant, reactor vessel, shielding.
An electron of mass, m, collides with an atom of mass M. The atom is initially at rest, What is the minimum speed of the electron in order to excite the atom
In a student experiment, a constant-volume gas thermometer is calibrated in liquid nitrogen (?196°C ) and in boiling pentane (36.1°C). The separate pressures are 0.349 atm and 1.442 atm.
A satellite is in circular orbit around the Earth at a distance of 7.14RE with a speed of 2.96 km/s. With what speed would the satellite hit the Earth's surface
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