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The bremsstrahlung x-ray spectrum of both Moand W cut off (have zero intensity) at about 0.035 nm. X rays with this wavelength are produced by the target element when bombarding electrons are promptly stopped in a single collision and give up all their energy in the form of EM waves. Confirm that electrons having energies of 35,000 eV will produce x ray photons with wavelengths near 0.035nm by this process.
A 6000 kg freight car rolls along rails with negligible friction. The car is brought to a rest by a combination of two coiled springs, What was the initial speed of the car
grinding wheel is initially at rest. A constant external torque of 47.2 N· m is applied to the wheel for 18.8 s, Find the moment of inertia of the wheel
A 66 kg man's arm, including the hand, can be modeled as a 73 cm -long uniform cylinder with a mass of 3.7 kg. by how much does he raise his center of gravity
A power supply has an open-circuit voltage of 35.0 V and an internal resistance of 2.00 O. What additional resistance should be added in series
A 24 inch string is wrapped around the 1/8 inch radius axis of a yo yo. Starting from rest, the yo yo descends with the constant angular acceleration of 4 rad/seconds squared. How long will it take the string to totally unwind.
What speed limit should be posted for the curve. How long (in {rm ns}) does it take light incident vertical to the glass to pass through this 9.0 {rm cm}-thick sandwich.
A dragster starts from rest and accelerates down a track. Each tire has a radius of 0.320 m and rolls without slipping. determine the linear speed of the dragster
After falling from rest from a height of 31 m, a 0.51-kg ball rebounds upward, reaching a height of 21 m. what average force was exerted on the ball
Four point charges of magnitude 3.1 µC are at the corners of a square of side 5 m. Find the electrostatic potential energy if all the charges are negative.
Two steel guitar strings have the same length. String A has a diameter of 0.60 and is under 450.0 of tension. Find the ratio of the wave speeds
q1. a weight with a mass of 57 kg is suspended from a point near the right hand end of a uniform boom with a mass of 60
The magnetic flux through one turn of a 52-turn coil of wire is reduced from 28.1 Wb to 4 Wb in 0.10 s. Find the total resistance of the wire
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