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The mean lifetime of muons in their rest frame is 2.20 ?s. Now consider a muon traveling through the Earth's atmosphere at a speed of 0.999 c. What is the mean distance traveled before it decays?(in km)
The bones of a saber-toothed tiger are found to have an activity per gram of carbon that is 14.5 % of what would be found in a similar live animal
A standing wave is set up in a 200-cm string fixed at both ends. The string vibrates in 5 distinct segments when driven by a 120-Hz source. What is the fundamental frequency for the string
A beam of light is incident on a plane mirror at an angle of 30 degrees to the normal of the mirror. find the angle between the incident beam and reflected beam
A converging lens with a focal length of 20 cm and a diverging lens with a focal length of -70 cm are 110 cm apart. Calculate the distance between image and diverging lens
An Australian emu is running due east in a straight line at a speed of 17.6 m/s and slows down to a speed of 15.7 m/s in 7.7 s. Assuming that the acceleration remains the same, what is the bird's velocity after an additional 2.0 s has elapsed?
A uniform cord of length 4.0 cm and mass 26 g is initially stuck to a ceiling. What is the change in the gravitational potential energy of the cord
In a diffraction grating experiment, light of 600 nm wavelength produces a first-ordered maximum 0.35 mm from the central maximum on a distant screen. What is the wavelength of the light from the second source
During a violent thunderstorm, hail the size of marbles (diameter = 2.10 cm) falls at a speed of 37.0 m/s. What is the mass of each hailstone
A sensitive gravimeter at a mountain observatory finds that the free-fall acceleration is 8.5×10^?3 m/s^2 less than that at sea level. What is the observatory's altitude
An airplane is flying horizontally with a constant velocity of 180 m/s at an altitude of 5400 m when it drops a package. How long does it take for the package to reach the ground
q1. charge of uniform density 80 ncm3 is distributed throughout a hollow cylinder region formed by two coaxial
The position of a particle moving along an x axis is given by x = 14.0t2 - 3.00t3, where x is in meters and t is in seconds. find the maximum positive velocity reached by the particle
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