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A hoop with a mass of 2.75 kg is rolling without slipping along a horizontal surface with a speed of 4.50 m/s when it starts down a ramp that makes an angle of 25.0° with the horizontal.
A certain superconducting magnet in the form of a solenoid of length 0.350 m can generate a magnetic field of 8.50 T in its core when its coils carry a current of 65 A. Find the number of turns in t
An organ pipe open at both ends is vibrating with n = 3 with a frequency of 769 Hz. The length of the pipe is 0.5 m. Determine the speed of sound (m/s) in air in the pipe.
Write down the wave function Ψ(x) for an electron in the n=3 state of a 10-nm wide infinite well with the center of the well being at x=0.
A standing wave is established in a 89 cm long string fixed at both ends. The string vibrates in 6 segments when driven at 376 Hz. What is the fundamental frequency?
Calculate the temperature at which a tungsten filament with an emissivity of 0.28 and a surface area of 7.6 × 10-5 m2 will radiate energy at the rate of 30 W in a room where the temperature is
If the mirror is now rotated so that the angle of incidence increases by 7.0°, what is the new angle between the incident and reflected beams?
Suppose the needle moves 7.8 mm from its highest to its lowest position and it makes 26 stitches in 8.7 s. What is the maximum needle speed?
A cello string vibrates in its fundamental mode with a frequency of 267 vibrations per second. The vibrating segment is 68 cm long and has a mass of 0.8 grams. Find the tension in the string.
A 5 kg ball is thrown upward with an initial speed of 30 meters per second. Suppose there is a constant air resistance of 25N opposing the motion during its entire up and down path. How much work wa
Two semicircular arcs have radii R2 = 10.2 cm and R1 = 3.40 cm, carry current i = 0.820 A, and share the same center of curvature C. What is the magnitude of the net magnetic field at C?
A 5 kg ball is thrown upward with an initial speed of 30 meters per second. Suppose there is a constant air resistance of 25N opposing the motion during its entire up and down path. What is the kin
A solenoid that is 131 cm long has a radius of 2.58 cm and a winding of 1430 turns; it carries a current of 2.72 A. Calculate the magnitude of the magnetic field inside the solenoid.
A particle with a charge of 4C and a mass of 12kg is travelling in a circular path around a fixed particle of charge -3C. The velocity is observed to be 3x10^3 meters per second. What is the radius
A woman on a rocket traveling at 0.35c (with respect to Earth) observes a meteor come from in front of her and pass her at 0.62c. How fast is the meteor moving with respect to Earth?
Determine the water velocity & the pressure in the pipe be if it shrinks down to 5 cm in diameter. You can assume that the pipe is horizontal & ?water = 1000 kg/m3.
Given a typical wave function describing the state of a particle as a function of X at time t=0, how would you determine the wave function at any subsequent time t while being precise and specific a
A uniform meter stick with a mass of 135 g rotates about an axis perpendicular to the stick passing through the center of the stick with an angular speed of 3.50 rad/s2. What is the magnitude of th
After the launch, an observer on earth sees the spacecraft approaching at a speed of 0.50c and the exploration vehicle approaching at a speed of 0.75c. What is the speed of the exploration vehicle r
In niels bohr's 1913 model of the hydrogen atom an electron circles that proton at a distance of 5.29e-11 m with a speed of 2.19e6 m/s. compute the magnitude of the magnetic field that this motion p
How much work must be done to move the satellite into another circular orbit that is twice as high above the surface of the earth?
Consider a pair of slits separated by 1.00 micrometers. What is the angle theta_blue to the interference maximum with m=1 for red light with a wavelength of 400 nanometers?
What is the maximum possible value of the angular momentum for an outer electron in the ground state of a scandium atom?
It is supported by a loose bolt attached to the wall at one end and by a wire at the other end. The wire makes an angle of 25.0° with the horizontal. What is the tension in the wire?
An instructor uses light of wavelength 633 nm to create a diffraction pattern with a slit of width 0.117mm. How far away from the slit must the instructor place the screen in order for the full widt