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Your roommate is working on his bicycle and has the bike upside down. He spins the 56.0cm -diameter wheel, and you notice that a pebble stuck in the tread goes by three times every second.
Part A What is the pebble's speed?
Part B What is the pebble's acceleration?
Light is incident on a slit 0.750 mm wide. On a screen 2.00 m away, the distance from the central maximum to the first minimum is 1.35 mm. compute the wavelength of the light.
A distance away from a uniformly charged spherical object, the magnitude of the electric field is 575V/m and the electric potential is 3.50kV. (a) What is the distance to the center of the object? (b) What is the magnitude of the charge?
A particular organic molecule forms an electric dipole by possessing an effective charge separation of 0.177 nm for a pair of ±1.60 × 10-19-C charges. find the magnitude of the molecule\'s electric dipole moment
If you place a 0.0001-C charge halfway between the terminals of a common 9-v battery, 5 mm apart, what force will that charge experience.
How far from the dog would the suitcase land? You can ignore air resistance.
In a tennis serve, a 0.073-kg ball can be accelerated from rest to 41 m/s over a distance of 0.95 m. Find the magnitude of the average force exerted by the racket
An electron and a proton are initially very far apart (effectively an infinite distance apart). which is the change in the electric potential energy
Two identical speakers are separated by 3.4m and produce sound of different frequencies equally in all direction. Determine the sound level in decibels at the point that is a midway between the speakers
In an L-C circuit, C=3.21*10^-6 F and L=86.0mH. During the oscillations the maximum current in the inductor is .851mA. What is the maximum charge of the capacitor
A jet lands at 54.4 m/s, the pilot applying the brakes 2.45 s after landing. Find the acceleration needed to stop the jet within 5.17 x 10^2 m after touchdown.
A 65 kg crate slides on a rough plane inclined upward at an angle of 28 degrees, what is the magnitude of the sliding friction force on the box, what is the coefficient of kinetic friction between teh box and the incline
The kinetic energy of an object is increased by a factor of 7, by what factor is the magnitude of its momentum changed
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