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An unstable high-energy particle is created in the laboratory, and it moves at a speed of 0.950c.Relative to a stationary reference frame fixed to the laboratory, the particle travels a distance of 1.34*10-3 m before disintegrating.
a) What is the dilated lifetime?
b) What is the proper lifetime?
c) What is the proper distance traveled?
d) What is the distance measured by a hypothetical person traveling by the particle?
A commercial airliner is undergoing its initial ascent while the pilot maintains a cabin environment of T = 23 C, r = 0.35, and p = 880 hPa. At the 670 hPa level an exit door ruptures and cabin pressure rapidly decompresses. Will clouds form in the c..
To get the top spinning, its string is pulled with a tension of 0.30. Explain how long does it take for the top to complete the first five revolutions? The string is long enough that it is wrapped around the top more than five turns.
You have a grindstone ( a disk) that is 80.0 kg, has a .349-m radius, and is turning at 104.0 rpm, Calculate the angular acceleration of the grindstone
A wire runs through a 0.7 T magnetic field as shown. The dashed lines represent the magnetic field, and the solid black line the wire. What is the magnitude of the current through the wire
make Use of a 9.81 m/s^2 for the magnitude of the acceleration due to gravity.
An AC adapter for a telephone answering machine uses a transformer to reduce the line voltage of 120 V to a voltage of 5.00 V. What is the power drawn from the electric outlet, if the transformer is assumed to be ideal
A heat pump is essentially an air conditioner installed backward. It extracts energy from colder air outside and deposits it in a warmer room. Suppose that the ratio of the actual energy entering the room to the work done by the device's motor is ..
A narrow beam containing red (660 nm) and blue (470 nm) wavelengths travels from air through a 2.60 cm thick flat piece of crown glass and back to air again. At what angles do the the two colors emerge from the glass
A point P is on a rim of a wheel of radius 2.0m. At time t=0 wheel is at rest and P is on the x-axis. The wheel undergoes a uniform angular acceleration of 0.01 rad/s2 about the center O. Find out the time t, when P returns to an original position on..
A moving particle encounters an external electric field that decreases its kinetic energy from 9520 eV to 7060 eV as the particle moves from position A to position B.
a sprinter in a 100-m race accelerates uniformly for the first 35 m and then runs with constant velocity. if the
You create a plot of a (in m/s2) vs sin ? and the linear fit of your graph gives a slope of 9.7260 ± 0.3100.
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