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An elementary particle called a pi meson (or pion for short) has an average lifetime of 2.6*10^-8 s when at rest.
Find how far would the pion have traveled relative to Earth if relativistic time dilation did not occur?
d(av)= ______ m
The mass of the sled and its two riders in the figure below is 300 kg. find the magnitude of the centripetal force that acts on the sled
An airplane flies eastward and accelerates uniformly. At one position along its path it has a velocity of 32.3 m/s. Find the airplane's acceleration
The woman then starts walking clockwise around the rim at .75 rad/s. in what direction and with what angular speed does the turntable rotate.
Jane looking for tarzan, is running at top speed (5.7m/s) and grabs a vine hanginf vertically from a tall tree in the jungle. How high can she swing upward
a box sits on a horizontal wooden board. the coefficient of static friction between the box and the board is 0.25. you grab one end of the board and lift it up, keeping the other end of the board on the ground. what is the angle between the board ..
An electric field does 11.10 MeV of work in moving a very small charged particle from point a to point b through a potential difference of -2.22 MV
A bullet with mass m and speed v is fired at a ballistic pendulum bob of mass M. The bob is attached to a thin, light rod of length L, hangs vertically initially, and is attached to a pivot at its top end.
A Helium Neon laser (wavelength: 632.8 nm) is directed at a double slit plate. On a screen 1.37 meters away, What is the slit difference in micrometers
Most asteroids are oblong in shape. Approximate an asteroid as being made up of two identical spheres of mass M and radius R that are just touching each other, in a figure eight
A 1000 {rm kg} wrecking ball hangs from a 15 {rm m}-long cable. The ball is pulled back until cable makes an angle of 25.0^circle with the vertical. By how much has the gravitational potential energy of the ball changed .
Consider a small, conducting sphere of 0.0010 kg mass. Extra electrons are placed on this sphere, How many electrons must be added to each sphere
One fish leaps with an initial velocity at the water surface of 12.5m/s at an angle of 33.0 degrees above the horizontal
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