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A ray of light is incident from the air onto a flat diamond surface at an angle of 35 degrees. If the refractive index of diamond for red light is 2.410 and for blue light is 2.445, what is the angle among the refracted rays in the diamond?
A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 8.60 m/s at an angle of 25.0° below the horizontal. Find the height from which the ball was thrown
When you take your 1400-{\rm kg} car out for a spin, you go around a corner of radius 52 m with a speed of 11 m/s. what is the force exerted on it by static friction
an 82 kg logger is standing on a stationary 360 kg log floating at rest in a pond. the logger begins to walk along the
The mass of a copper atom is 3.57*10^-25 kg, and the density of copper is 8920 kg/m^3. Determine the volume of each cube
A proton (1e) and an alpha particle charge = 2e, mass = 6.64 x10^-27 kg are initially at rest, separated by 4.00 x 10^-15 m. Find the speeds of the proton and alpha particle
What is the spring constant k for amass spring system in terms of its period T and mass m? Use (pi) for π, T, k, and m as necessary. What is the gravitational constant g for a easy pendulum in terms of its period T and length L of the string? Use (pi..
A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r. how fast is the roller coaster traveling at the bottom of the dip
Michelle is enjoying a picnic across the valley from a cliff. She is playing music on her radio, what is the intensity of the music arriving at the cliff
a 24 g bullet strikes a 0.5 kg block attached to a fixed horizontal spring whose spring constant is 6.6 x 103 nm and
A beam of high-energy protons emerges from a cyclotron. Is there a magnetic field associated by these particles? Why or why not? There is no magnetic field associated with these protons as there is an electric field around them. There is a magnetic f..
in lab test on a 9.25cm cube of a certain material a force of 1375 n at 8.50 degree to the cube is in the bottom of the
What would have to be the self-inductance of a solenoid for it to store 9.6 J of energy when a1.56-A current runs throught it? If this solenoid's cross-sectional diameter is 4.10 cm, and if you could wrap its coils to adensity of 10 coils/mm, how l..
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