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Bar AB rotates with a counterclockwise angular velocity of 10 rad/s. At the instant shown, what are the angular velocities of bars BC and CD?
For the above oscillator, what is the period? Calculate the maximum acceleration of the above oscillator.
What is the charge on the shell? Calculate the potential on the surface of the shell.
If the voltage source is set to 4.7 times the resonance frequency, the impedance of this circuit is:
The speed of light in polythene is 1.99 x 108 m/s What is the index of refraction of polythene?
The angle of refraction is 35o. What is the index of refraction of the plastic?
What is the initial velocity of the 10.0 kg bock immediately after the collision?
The walls of a blackbody cavity are at a temperature of 27o C. What is the frequency of the radiation of maximum intensity?
Determine the angular velocity of the rigid body AC when ? is 45° and ? & is 2.0 rad/s.
A 40.0 kg projectile leaves a 2000. kg launcher with a velocity of 800 m/s. what is the recoil velocity of the launcher?
What is the experimental error of the average measurement in each trial?
Applications of kinematic concepts to electriciry and magnetism.
Determine the values of pressure and specific enthalpy at the entry and exit of the compressor, and at the entry and exit of the expansion device.
What is the average acceleration of this sprinter? and How long does it take her to reach that speed?
After 5 minute, the water has warmed to 20.75 degrees celcius. What is the objects specific heat capacity?
How much kinetic energy is generated by a 10 kg object traveling at a velocity of 2 m/s?
You measure that the voltage across the 300O resistor is 4.4V. What is the total voltage provided by the voltage source?
Find the oscillation time period of the spring (in seconds).
What are the (a) magnitude and (b) angle (relative to east) of its average velocity during this trip?
What is the coefficient of restitution for the collision? What percentage of the kinetic energy is lost in the collision?
The compact disc in a CD player is spinning at 8.40 Hz. What is the period of the CD's rotation?
The work done by the cord's force on the block, (b) the work done by the gravitational force on the block, (c) the kinetic energy of the block.
An electron drops from n=3 to n=1 in this atom. What is the wavelength in nanometers of the photon emitted in the process?
Turn the light source on a medium level with the preset wavelength. What do you observe about the emitted photons?
Why is the velocity larger for the bottom stream of water.