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Using scientific notation, how can I determine the frequency of Neptune's revolution around the Sun, which takes approximately 164.8 years?
The Lyman series results from transitions of the electron in hydrogen in which the electron ends at the n=1 energy level. calculate the wavelengths of the photons emitted in the transitions from the energy states
q1. a force vector has a magnitude of 569 newtons and points at an angle 41o of below the positive x axis. what is a x
Two loudspeakers emit sound waves along the x-axis. A listener in front of both speakers hears a maximum sound intensity when speaker 2 is at the origin and speaker 1 is at x = 0.550 meter. Evaluate the phase difference between the speakers
A block slides down from rest from the top of an inclined plane 30° above the horizontal. The plane is 100ft long and frictionless, What distance will it travel on a frictionless horizontal surface at the first of the plane 6.00s after it has trav..
What is the minimum thickness of an anti-reflecting coating of index of refraction 1.4 on a glass lens of index 1.5 which would eliminate green light of wavelength 550 nm
A 229.0 micro-Farad capacitor is connected in series with 210 Ohm resistor and a 7.3 Volt battery. What is the total charge on the capacitor
A person of mass 80kg stands at the center of a rotating merry-go-round platform of radius 3.2m, Calculate the rotational kinetic energy of the system of platform plus person before and after the person's walk
You are designing a lathe motor, part of which consists of a uniform cylinder whose mass is 90 kg and whose radius is 0.40m that is mounted so that it turns without friction on its axis, which is fixed.
The "wireless" connection used by your laptop computer employs electromagnetic waves with a frequency near 2.4 GHz. What is the approximate size of a dipole antenna for this frequency?
A density bottle weighs 23.5 g when empty and 63.1g when partly filled with soil. When water is added to the soil to completely fill the bottle, the new weight was 98.1g. If the weight of the bottle when filled with water only is 73.5g, calculate ..
The potential difference between two parallel conducting plates in vacuum is 475 V, What is the kinetic energy of the alpha particle when it reaches the other plate
An air puck of mass 0.250 kg is tied to a string and allowed to revolve in a circle of radius 1.14 m on a frictionless horizontal table. What is the speed of the puck
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