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A ball of mass 8.0 kg is suspended by two wires from a horizontal arm, which is attached to a vertical shaft, as shown in the figure. The shaft is in uniform rotation about its axis such that the linear speed of the ball equals 2.3 m/s. What are the tensions in wires 1 and 2?
Greenland Icecap
A particle moving at a speed of 0.92c is observed to have a mass of m=1682 MeV/c^2. Determine the rest mass Mo of the particle in kg
1. how many individual atoms are in a water molecule?2. when a container of gas is heated what happens to the average
The maximum speed of a small girl on a swing is 3.96m/s. Calculate how high above the ground is she at her highest point
If the heavier fragment lands back at the equal point from which the shell was launched, where will lighter fragment land and how much energy was released in the explosion.
A superhero flies 272m from the top of a tall building at an angle of 32 below the horizontal. What is the vertical component of the superhero's displacement.
A flowerpot falls off a windowsill and falls past the window below. You may ignore air resistance. It takes time 0.420s to pass this window, which is of height 1.92 m. How far is the top of the window below the windowsill from which the flowerpot ..
An underground explosion sends out both transverse (S waves) and longitudinal (P waves) mechanical wave pulses (seismic waves) through the crust of the Earth. What is the distance between the source and the detector
Three men are riding on a train of proper length L that is moving at speed v = 3/5 c with respect to the ground, Calculate the time difference between the two emissions, in both frames
An automobile batery has 12 V and an internal resistance of .05 ohms. The starter draws 40 amps of current when starting the car. The resistance of the starter is
A permanent magnet is hung from a string ( balanced ) and pointed in an East - West orientation and released. Describe its motion
A light beam travels at 1.94×108 in quartz. The wavelength of the light in quartz is 355. What is the index of refraction of quartz at this wavelength
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