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A woman accelerates her motorized scooter, with the engine on, down a 13-m-long ramp that starts at a height of 2.2 m. how many joules of energy did friction absorb
The fundamental frequency of a closed organ pipe is 264.9 Hz. What is the length of the open pipe
A proton is placed at the origin of any y coordinate system. The proton is floating because an electron is fixed on the y-axis, How far away from the proton in the electron
A double-concave lens has equal radii of curvature of 15.1 cm. An object placed 14.2 cm from the lens forms a virtual image 4.94 cm from the lens. What is the index of refraction of the lens materia
For someone who chooses y=0 to be 5 meteres above the ground and up as positive, what will he get for the potential energy
A block of mass M is at point A on the slope (the slope is just a %u201Cregular roller coaster ride %u201D, What is the velocity at the bottom of the slope at point B which is 5 meters below point A
When an electron in a hydrogen atom falls from a higher energy state down to the ground state, What is the quantum number of the level from which the electron fell
A person's eyeball has a diameter D (measured from lens to retina). find Where is this person's near point and far point
The work function for aluminum is 4.08 eV. Find the cutoff wavelength for aluminum
A charged particle (m = 8.05 g, q = - 7.68 µC) localized at point A has a speed of 0.88 m/s. What is the kinetic energy of the particle when reach B
A mass of 2.0 Kg hangs from a spring with a force constant of 50 N/m. What is the amplitude of the resulting oscillations
You are a blacksmith and have been working with 18.3 kg of steel. WHen you are finished shaping it, How much of this water is converted to stem
A concave spherical mirror with a focal length of 15cm forms an upright image that is 5 times larger than the original object
A 4.0 kg cube of iron slides from rest down a frictionless ramp (1.5 m above flat surface), How fast are they going after the collision
An RLC circuit has a resistance of 2 komega, a capacitance of 32 uF, and an inductance of 52 H. obtain the phase shift between the current and the voltage
A thin spherical shell rolls down an incline without slipping. what is the angle the incline makes with the horizontal
A prosthetic leg has a mass of 3 kg and a center of mass of 20 cm from the knee joint. What is the moment of inertia about the knee joint
A lens with a refrective index of 1.5 is coated with a material of refractive index of 1.2 in order to minimize the reflection. what is the thinnest possible coating
a small dog sits 3.0 m in front of a plane mirror. where is the dog's image in relation to the mirror
A radio tuner is built by connecting an L=0.48mH inductor and variable capacitor in series with an antenna. What is the quality factor of the circuit with the capacitance you found
A wire (mass = 50 g, length = 40 cm) is suspended horizontally bytwo vertical wires which conduct a current I = 8.0 A, What is the tension in eitherwire
A particle is described by the wave function Ψ(x) ={ Axe^-ax, x>0 and Ψ(x) ={ 0, x≤0, Find the most probable position of the particle
Consider an LC Circuit in which L = 500 mH & C = 0.100 microF. What is the resonance frequency
A rock is thrown from the roof of a building, with an initial velocity of 10.0 m/s at an angle of 30.0 ° above the horizontal. What is the height of the building
In a piston-cylinder assembly, 20 KJ of boundary work is being done on the piston. determine the axial displacement of the piston