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In a cloud chamber experiment, a proton enters a uniform 0.260T magnetic field directed perpendicular to its motion. You measure the proton's path on a photograph and find that it follows a circular arc of radius 6.50cm. How fast was the proton moving?
Calculate the inductance of a solenoid that is 1.0 cm long and 3.2 mm in diameter, with 210 turns of wire
Calculate the impulse experienced when a 66 kg person lands on firm ground after jumping from a height of 2.8m. Estimate the average force exerted on the person's feet by the ground if the landing is with bent legs
Determine the length of a copper wire that has a resistance of 0.172 Ohms and cross-sectional area of 7.85 × 10^-5 m^2. The resistivity of copper is 1.72 × 10^-8 Ohms m
Someone throws a rock at a clock 5 meters away from them. The rock is thrown at a height of 120cm. The velocity that it reaches is 25 m/s. By how much did she miss the center of the clock
A vinyl record (disk) starts from rest and then rotates about its central axis reaching playing speed of 33 1/3 rmp in 2.5 seconds. calculate the total angular displaement
Given that the current, natural abundance of U-235 is .72 atom-percent, and neglecting U-234 content of uranium, how long ago was the abundance of U-235 equal to 4 atom-percent?
Find the drift velocity of conduction electrons in a gold wire of diameter 2.88 mm when a current of 0.123 A flows in it
A liquid of density 1.13 × 103 kg/m3 flows steadily through a pipe of varying diameter and height. At location 1 along the pipe the flow speed is 9.89 m/s and the pipe diameter is 10.1 cm
An elevator is able to raise 9,800 N to a height of 37 m in 12 s, What is the elevator's power output and How much work does the elevator do
What is the surface temperature of Betelgeuse, a red giant star in the constellation of Orion, which radiates with a peak wavelength of about 970 nm? Rigel, a bluish-white star in Orion, radiates with a peak wavelength of 145 nm. Find the temperature..
Explain the characteristics of supersonic motion and the formation of shock waves. Explain the formation of beats by the superposition of sounds of two closely spaced frequencies
Some strands of Christmas tree lights are wired in series. What happens to the other lights if one of the bulbs is removed? What happens if one of these bulbs is removed
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