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A reaction produces a gas, which is collected in a glass cylinder. When a glowing splint is placed inside the container, it burns brightly, as shown. Which gas was produced in the reaction?
What is the energy in eV of (a) a 100 MHz radio-frequency photon, (b) a visible light photon with a wavelength of 500 nm, and (c) an X-ray photon with a wavelength of 0.10 nm?
In a photoelectric effect experiment, a metal sample is illuminated by 10.0 mW of ultraviolet light of wavelength 240 nm. What is the longest wavelength of light that can knock electrons out of this metal
A 59 kg physics student jumps off the back of her Laser sailboat (42 kg). After she jumps, the Laser is found to be travelling at 1.5 m/s.
Determine how many hours are required for the earth to rotate through 1radian in 1 second of time through how many seconds of arc does the earth rotate
A particles of energy 5MeV pass through an ionization chamber at the rate of 10 per second. Assuming all the energy is used in producing ion pairs, calculate the current produced.
Consider a bright star in our night sky. Assume its distance from Earth is 20.9 light-years (ly) and its power output is 4.00 1028 W, about 100 times that of the Sun. Find the intensity of the starlight at the Earth.
jane looking for tarzan is running at top speed 6.6 ms and grabs a vine hanging vertically from a tall tree in the
The toadfish makes use of resonance in a closed tube to produce very loud sounds. The tube is its swim bladder, used as an amplifier. Calculate the intensity of the sound wave emitted
A spherical raindrop of mass 0.0112 g and radius 1.39 mm falls from a cloud that is at a height of 1195 m above the ground. What is the raindrop's terminal speed
An 8.50 kg point mass and a 12.5 kg point mass are held in place 50.0 cm apart. Find the magnitude of the acceleration of the particle
Consider a uniformly solid hemisphere of radius R and mass M. Determine the center of mass. Determine the principal axes and principal moments of inertia.
In an ice show, a 60.0 kg skater leaps into the air and is caught by an initially stationary 75.0 kg skater. What is their final velocity assuming negligible friction
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