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how much faster in meters per second does light travel in a crystal with refraction index 153 than in another with
a block of mass 023 kg slides down a frictionless track with the shape shown above the circular portion of the track
a spring with spring constant 72 nm has one end attached to a peg on a horizontal surface and another attached to a
a roller coaster car of mass 520 kg is initially going 22 ms along a horizontal track the track makes a vertical loop
a rocket car with mass 1300 kg is launched by going down a 30 degreenbspramp with a vertical height of 15 m and then
you focus sunlight on a piece of paper and find that the light seems to be most nearly focused between 24 and 25 cm
1 give a brief background on your subject of research is your subject purely science or technology what is the basis of
an aluminum bar with length 2m and a coefficient of linear expansion of 000023 undergoes a temperature change of 180
1 a drill rotates at 380 rad per s how many radians does it rotate through as it comes to a stop in 30 seconds2 an
two frictionless roller-coaster cars sit atop identical roller coaster tracks the two roller-coasters meet at the
steam enters a 10 mw output turbine at a fluid speed of 795 ms and emerges at a fluid speed of 984 msassuming the
in the vacuum tube of figure 1 the lower metal plate the target is irradiated with 400-nm light of intensity 950 wm2
a laser beam with an intensity of 60 wm2 shines on a black object of mass 29 mg the beam hits an area of 45 mm2
you accelerate constantly from a speed of 60 ms in the positive x direction to a speed of 18 ms in the negative x
a woman whose weight is 530 n is poised at the right end of a diving board with length 4 m the board now has a weight
from a cliff that is 95 m above a lake a young woman mass 5 41 kg jumps from rest straight down into the water at the
match the situations listed to the proper type of experimental error and please explain whya random error b systematic
what conditions must occur for two atoms to be isotopes how is average atomic mass
a light ray travels through medium 1 index of refraction n1 11 into medium 2 index of refraction n2 16 figure 1at
in vacuum the wavelength of the light in your laser pointer is 538 nm standing at the shore of a calm pond you shine
you shine a laser pointer at an angle of 50 from the normal onto the surface of a thick block of glass for which the