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When a ray of light is incident on a material of refractive index 1.4. The angle of refraction is 32 degrees. A portion of the light is also reflected. What is the angle among refracted and reflected beams?
An unstable particle called the pion has a mean lifetimeof 25 ns in its own restframe. What is the mean lifetime of the pions as measured in thelaboratory frame
Scientists want to place a 4200.0 kg satellite in orbit around Mars. They plan to have the satellite orbit a distance equal to 1.6 times the radius of Mars above the surface of the planet. obtain the force of attraction between Mars and the satelli..
q.1. a particle leaves the origin with an initial velocity 6.67 ms and a constant acceleration - 2.48 - 4.29 ms2.
A simple pendulum, 2.0 m in length, is released with a push when the support string is at an angle of 25° from the vertical. what is its speed at the bottom of the swing
You swing a 2.80 stone in a circle, using the full length of a thin 60.0 rope. At what speed should you swing it so its acceleration will be 9.8
on a frozen pond a 10kg sled is given a kick that imparts to it an intial speed of v0 2.0ms. the coefficient of the
A 60.0 cm long organ pipe is filled with air and is open at both ends. What is the wavelength of the fundamental frequency
A man pushes a 2.0 kg broom at constant speed across the floor. The broom handle makes a 50 degree angle with the floor. What is the value of the frictional force opposing the motion
a parallel plate capacitor has a voltage of 391 v applied across its plates then the voltage source is removed. what is
a thermistor is a solid-state device widely used in a variety of engineering applications. its primary characteristic
Two flat surfaces are exposed to a uniform, horizontalmagnetic field of magnitude 0.49 T. When viewed edge-on, the firstsurface is tilted at an angle of 11° from the horizontal, and anet magnetic flux of 8.00 10-3 Wb passes through it. The same ne..
At T=20degreesC , how long must an open organ pipe be to have a fundamental frequency of 313Hz ? Q 2)If this pipe is filled with helium, what is its fundamental frequency
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