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A 0.650 MeV x-ray is Compton scattered at 90° by a free electron in an aluminum foil. a) What is the wavelength of the incident photon? b) What is the wavelength of the scattered photon? c) What is the energy of the recoiling electron?
A box of unknown mass begins at the base of a 30 degree ramp with an initial velocity of 10.0 m/s. calculate the maximum distance up the ramp which the box will reach
A beam of unpolarized sunlight strikes the vertical plastic wall of a water tank at an unknown angle. what angle does this beam make with the normal inside the water
Two different elements with half lives Ta and Tb have Na & Nb (undecayed) atoms respectively, Determine the ratio of their activities at this instant
Illustrate what was the magnitude of the centripetal acceleration of the rock when it was on the string? (b) What was its speed when it was on the string?
Two small nonconducting spheres have a total charge of 93.1 C. When placed 1.01 m apart, the force each exerts on the other is 11.5 N. What is the charge on each? What if the force was attractive?
Earth has a mass of 5.98 × 1024 kg. The average mass of the atoms that make up Earth is 40 u. How many atoms are there in Earth
If the wire is heated to 40.0°C while the 7.0-V potential difference is maintained, what is the resulting current in the wire
A fire engine is driving directly away from a solid wall at 21 m/s on a hot C day while its siren emits a steady 500. Hz sound. What is the frequency of this reflected wave as heard by this firefighter
A 295 turn solenoid has a radius of 4.00 cm and a length of 22.0 cm. Find the energy stored in it when the current in its windings is 0.497 A
The length of the mercury column is 4.0cm in pure melting ice and 28.0 cm in the steam. Compute the temperature for a length of 22.0.
Two coils are at fixed locations. When coil 1 has no current, and the current in col 2 increases at the rate 15.0 A/s, the emfin coil 1 is 25.0mV. what is the magnetic flux passing through coil 2
Four identical particles, each with mass m = 10-6 kg and charge Q = 10-6 C, are initially at the four corners of a square with side-length a = 0.01 m. what is the final speed of the released particle once it is very far away
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