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Imagine a figure that shows a system of two masses connected by a string. As m falls a distance h, M accelerates up the plane. The coefficient of friction between M and the inclined plane is µ. Show that the kinetic energy is given by ?K=1/2(m+M)[vf2-vi2]. Do not assume the system starts at rest. What is the change in potential energy on the system after the m has fallen a distance h? What is the work done by friction on the system?
A roller coaster car rolls down a frictionless track, reaching a speed V0(Velocity original) at the bottom. by what factor must you increase the height of the track
An airplane is flying in a horizontal circle at a speed of 100 m/s. The 80.0-kg pilot does not want her radial acceleration to exceed 7g. (a) What is the least radius of the circular path? (b) At this radius, what is the force causing the centripe..
What is the amplitude of subsequent oscillations
When a large bone such as the femur is broken, the two pieces are often pulled out of alignment by the complicated combination of tension, how much mass m must be attached to the bottom pulley
A circuit contains a 4.50-nF capacitor and a 4.00-mH inductor. By what factor does this angular frequency change if a 1.00-kilo ohms resistor is connected in series with the capacitor and the inductor
A 54.0 kg skateboarder wants to just make it to the upper edge of a "quarter pipe," a track that is one-quarter of a circle with a radius of 3m. What speed does he need at the bottom?
A block of mass m is accelerated across a rough surface by a (massless) rope passing over an ideal pulley and connected to a second mass m2. Derive an expression for the acceleration of the sliding block
Precisely 1.10 after the speeder passes, the policeman steps on the accelerator. If the police car's acceleration is 2.10 m/s2, Explain how much time elapses after the police car is passed until it overtakes the speeder
Light from an argon laser strikes a diffraction grating that has 5330 grooves per centimeter. Determine the wavelength of the laser light
An air gap capacitor is constructed of two parallel 20.0cm x 2.00 cm metal plates separated by a distance of 100.0 um. calculate The charge density on the plates
what is the maximum weight of the crate that the system can support? What is the angle needed for equilibrium.
A 0.410-kg blue bead slides on a frictionless, curved wire, Find the maximum height the green bead rises
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