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In other cases, there is a clear break between the "rainbow" orders. The spacing of ruled lines on a diffraction grating is 1900 nm. The grating is illuminated with a beam of white light containing the 400 nm to 700 nm wavelength range. The angular width of the gap between the first order spectrum and the second order spectrum is closest to:
A) 2.3°
B) 4.3°
C) 6.3°
D) 3.3°
E) 5.3°
starting from rest, a basketball rolls from the top to the bottom of a hill, reaching a translational speed of 5.1 m/s. What is the translational speed of the frozen juice can when it reaches the bottom
A 30.0N force is being applied to one end of a 60.0cm long rigid bar at an angle of 30 degrees. Calculate the torque being applied to the shaft
A hydrogen atom is in its second excited state (n = 3). calculate angular momentum of the electron
A 21.0-kg box rests on a frictionless ramp with a 14.3° slope. The mover pulls on a rope attached to the box to pull it up the incline. If the rope makes an angle of 38.4° with the horizontal, what is the smallest force F the mover will have to exert..
A charged isolated metal sphere of diameter 20.0 cm has a potential of 9000 V relative to V = 0 at infinity. Calculate the energy density in the electric field near the surface of the sphere
A 710 kg car stopped at an intersection is rear-ended by a 1800 kgtruck moving with a speed of 16 m/s. If the car was in neutral andits brakes were off, so that the collision is estimated elasticfind the final speed of the truck. Find the final sp..
At one time, television sets used "rabbit-ears" antennas. Such an antenna consists of a pair of metal rods. The length of each rod can be adjusted to be one-quarter of a wavelength of an electromagnetic wave whose frequency is 125 MHz. How long is ea..
A 2kg package is released on a 53.1 degree incline, 4m from a long spring with force constant 120 n/m that is attached to the bottom of the incline. What is the maximum compression of the spring
A spacecraft approaching the earth launches an exploration vehicle. What is the speed of the exploration vehicle relative to the spaceship
1.00 ×1020electrons flow through a cross section of a 3.90?mm?diameter iron wire in 4.50s . The electron density of iron is n =8.5×1028m?3
A cannon tilted up at a 30° angle fires a cannon ball at 80 m/s from atop a 18 m high fortress wall. What is the ball's impact speed on the ground below
A car of mass 1054 kg moves NE at 20.12 m/s, and collides with another car of mass 1233 kg moving 27.72 m/s at 20.0° E of S. find The velocity of the heavier car after the collision
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