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Gasoline is made up of hydrocarbons. Suppose 80% of mass of gasoline is carbon and all of this becomes CO2 in combustion. If the density of gasoline is 6.7 lb/gal, how much CO2 is emitted per gallon of gasoline burned? The atomic mass of carbon is 12 grams/mole and is 16 for oxygen
A rectangular loop is 1.2 m wide and 0.80 m tall and carries 0.50 A of current clockwise. Find the net force and torque on the rectangular loop
A Ferris wheel is a vertical, circular amusement ride with radius 6 m. Riders sit on seats that swivel to remain horizontal. The Ferris wheel rotates at the constant rate, going around once in 6.4 s. Consider a rider whose mass is 70 kg.
The archerfish successfully shoots down the resting insect by spitting water drops at the same angle 60^circ above the surface and with the same initial speed v as before. At what height h above the surface was the insect.
A sample of an ideal gas is at a temperature of 300 K. The rms molecular speed at this temperature is measured as 1368 m/s. Calculate the mass of a molecule of this gas
The angular velocuty of the elctron in the lowest Bohr orbit of the hydrogen atom is about 4*10^16 s^-1. Determine the Larmor frequency in a field of 2 T
A uniformly charged thin ring has radius 14.5cm and total charge 20.0nC, Find the speed of the electron when it reaches the center of the ring
Write down the equation for this process, and using values for the binding energy of the hydrogen and carbon-12 nuclei of 0 MeV and -92.2 MeV respectively, calculate the binding energy of the nitrogen nucleus.
a girl is riding her bicycle . when she gets to a corner, she stops to get a drink from her water bottle. how long does it take for her to catch up with her friend
Photons of wavelength 334 nm are incident on a metal plate in a photocell and electrons are ejected. What is the maximum wavelength of photons that will eject electrons from this metal
A 200KeV electron (i.e., an electron having kinetic energy of 200KeV) collides with a 200KeV positron (a particle with opposite charge of electron but) moving in the opposite direction in a head-on collision.
How many J of energy must be removed when 156 g of steam, at a temperature of 175.0 °C, is cooled and frozen into 156 g of ice at 0 °C.
A small block is attached to an ideal pring and is moving in SHM on a horizontal, frictionless surface, What is the frequency of the motion
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