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Light of wavelength 600 nm in air is incident on the surface of a block of plastic at an angle of 62.7 degrees to the normal and is bent so that it makes a 48.1 degree angle by the normal in the plastic. Discover the speed and the wavelength of light in the plastic.
A 9 ohm resistor are connected in series to a power supply. The voltage drop across the 6 ohm resistor is measured with a amphmeter and found to be 12.0 volts. what is the voltage setting of the power supply
Coherent light of wavelength 540.4 nm is sent through two parallel slits in an opaque material. Each slit is 0.700 µm wide. How many bright fringes are visible on the screen
A powerful laser can emit in 0.56x10-2 s anintense pulse of light having an energy of 4500 J. how many photons will be emitted in this pulse
There is evidence that elephants communicate via infrasound, generating rumbling vocalizations as low as 14 Hz that can travel up to 10 km. The intensity level of these sounds can reach103dB, measured a distance of4.5m from the source. Determine the ..
the 3.00 kg cube has edge lengths d = 6.00 cm and is mounted on an axle through its center, what is the period of the resulting SHM
A prospector finds a solid rock composed of granite(?= 2650 kg/m3)and gold. The volume of the rock is3.30multiplied by10-4m3and its mass is3.03kg
A certain nuclear power plant is capable of producing 9.0×108 W of electric power. How much mass is converted per hour if the efficiency of the plant is 28 percent
Consider the video tutorial you just watched. Suppose that we repeat the experiment, but this time we replace the original 56- magnet with a more powerful magnet of the same mass.
To fill a child's inflatable wading pool you use a garden hose with a diameter of 2.9 cm. How long will it take to fill the pool to a depth of 19 cm if it is circular and has a diameter of 2.4 m
A moving particle encounters an external electric field that decreases its kinetic energy from 9520 eV to 7060 eV as the particle moves from position A to position B.
A rock is tossed straight up with a velocity of 23 m/s When it returns, it falls into a hole 10m deep, What is the rock's velocity as it hits the bottom of the hole
The International Space Station is orbiting the Earth at an altitude of about 340 Km above the Earth's surface, find the size of the tangential velocity of the Space Station
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