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A laser beam of unknown wavelength passes through a diffraction grating having 5530 after striking it perpendicularly. Taking measurements, you find that the first pair of bright spots away from the central maximum occurs at 14.8 with respect to the original direction of the beam.
At what angle will the next pair of bright spots occur?
A car travelling at 37 {rm m/s} runs out of gas while travelling up a 7.0{rm ^ {circ}} slope. How far would it coast before starting to roll back down.
The mass of a neutron is about 1.7x10?27 kg. Suppose the mass of a neutron star is about 3.4*10^30 kg. How many neutrons does such a star contain
If the mass of both weights is 175gm, the first mass is located 20 north of east, the second mass is located 20 south of east, and the transducer sensitivity is 0.5volts/Newton, how large a voltage do you expect to measure? Imagine the transducer ..
A ball is launched at 4.43 m/s at an angle of 66 degrees above teh horizontal and the time of flight is 0.84 s, then what is the maximum height of the ball
A pendulum consists of a mass m suspended from a fixed point by means of a string of length b and is immersed in a viscous medium. Find its velocity and angular displacement at a later time
in 1910 rutherford performed a classic experiment in which he directed a beam of alpha particles at a thin gold foil.
Earth's atmosphere, the electric field above Earth's surface has been measured to be 150 N/C downward at an altitude of 250 m and 165 N/C downward at the altitude of 400 m. compute the volume charge density of the atmosphere.
A 769-kg satellite is in circular orbit around the Earth and moving at a speed of 1.11 km/s. How much work must be done to move the satellite
The far point of a nearsighted person is 5.0 m from her eyes, and she wears contacts that enable her to see distant objects clearly. How high is the image formed by the contacts
An electron is released from rest in a uniform electric field of magnitude 2.20 x 10^4 N/C. Calculate the acceleration of the electron
An 9.2 mH inductor is connected to an ac generator (10.0 V rms, 650 Hz). Determine the peak value of the current supplied by the generator
A car at the Indianapolis-500 accelerates uniformly from the pit area, going from rest to 340 km/h in a semicircular arc with a radius of 194 m. Determine the radial acceleration of the car at this time
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