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A train travels in the +x direction with a speed of Beta=0.80 with respect to ground. At a certain time, two balls are ejected, one traveling in the +x direction with x-velocity of 0.60 with respect to the train and the other traveling in the -x direction with x-velocity of -0.40 with respect to the train.
What are the x-velocities of the balls with respect to the ground?
In a certain electron microscope, a de Broglie wavelength of 0.015 nm is required. Find the potential difference required to accelerate electrons to the proper speed
Suppose a diode consists of a cylindrical cathode with a radius of 6.200×10^?2cm, Find its speed (vfinal) when it strikes the anode
a parallel plate capacitor holds a charge of 30.0 nc when attached to a battery of voltage v. when a fluid is placed
Calculate the doppler shift of x rays emitted from shocked silicon in a supernova remnant of the ejected material is moving at 5000 km/sec
You have available lenses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. what is the maximum magnification you could achieve
Archaeologists have unearthed a primitive stringed instrument at the ancient Sumerian city of Lude Compute the fundamental frequency of this instrument
two workers are trying to move a heavy crate. one pushes on the crate with a force a which has a magnitude of 445
A 6200 kg satellite is in a circular earth orbit that has a radius of 3.3 x 107 m. What work W must be the net external force do
question two cars are traveling on a desert road. after 5.0 s they are side by side at the next telephone pole. the
At room temperature (20C) the area of a hole in a sheet of material is 5.505 cm2. What is the thermal coefficient of linear expansion for the material
A 3.30-g copper coin at 21.0°C drops 45.0 m to the ground. (Assume the specific heat of copper is 387 J/kg · °C.) determine the coin's final temperature
A portion of a soap bubble appears green ( wavelength = 500 nm invacuum) when viewed at normal incidence in white light. find the two smallest, non-zero thickness for the soap film
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