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A laser beam of unknown wavelength passes through a diffraction grating having 5510lines/cmafter striking it perpendicularly. Taking measurements, you find that the first pair of bright spots away from the central maximum occurs at ±15.4? with respect to the original direction of the beam.
What is the wavelength of the light? (in nm)
At what angle will the next pair of bright spots occur?
A 0.042 kg aluminum bullet traveling at 456 m/s strikes an armor plate and comes to a stop. what is the bullet's temperature change in degrees Celsius
A rifle is aimed horizontally at a target 51 {rm m} away. The bullet hits the target 1.5 {rm cm} below the aim point. What was bullet's speed as it left the barrel.
Consider a tungsten filament in a light bulb. After the bulb has been on for an hour, how has the resistance in filament changed (if at all).
Monochromatic light is incident on a diffraction grating and the first maximum is observed at an angle 5.2 degrees. At what angle is the 4th maximum seen
To strech a spring 6.00cm from its unstreched length, 16.0J of work must be done. What is the force constant of this spring
A 900 kg car travelling east at 15 m/s collides with 750 kg travelling north at 20 m/s. what is the speed of the wreckage
A proton travels with a speed of 3.00 ? 106 m/s at an angle of 55.0° with the direction of a magnetic field of 0.520 T in the +y direction. determine the magnitude of the magnetic force on the proton
An open organ pipe and an organ pipe that is closed at one end both have lengths of 0.48m at 20 C
what is the initial velocity of a silver bullet if it completely melts when striking a werewolf? the initial temperature of the bullet is 300
A 1663.22 lbs. go-cart and driver rounds a curve. If the centripetal force on the go-cart and driver is 1000 lbs. What is the radius of the curve
How many days does it take for a perfect blackbody cube (0.0206 m on a side, 66.9 °C) to radiate the same amount of energy that a one-hundred-watt light bulb uses in one hour?
A hiker walks 3.50 km at an angle of 45.0 degrees north of west. After that the hiker walks 1.5 km south. What is the magnitude and direction of hiker's totally displacement.
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