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A sound wave traveling in air at 78°C has a frequency of 816 Hertz.
(a) Compute what is the wave speed?
____________m/s
(b) Compute what is the wavelength?
____________cm
An astronaut is being tested in a centrifuge. The centrifuge has a radius of 3.58 m, what is the magnitude of the astronaut's linear speed
An alpha particle (a helium nucleus, containing 2 protons and 2 neutrons) starts out with kinetic energy of 9.9 MeV (9.9x106 eV), What is the final kinetic energy of the gold nucleus
a projectile is shot from the edge of a cliff 165 m above ground level with an initial speed of vo105 ms at an angle of
Two metal cylinders appear to be identical. You measure the radii and find them to be the same. determine the which cylinder has the greater mass of each cylinder
A gasoline engine absorbs 4190 J of heat and performs 3170 J of mechanical work for each turn of the engine shaft
A copper rod has a length of 1.3 m and a cross-sectional area of4.7 x 10-4 m2. What is the mass of ice per second that melts
A space station is moving in a circular orbit around the Earth. It makes one revolution in 90 minutes. How high above the Earth's surface is the space station
Calculate the resultant velocity of an airplane that normallyflies at 200 km/hr if it encounters a 50 km/hr tailwind. If itencounters a 50 km/hr head wind
The new earth-Pluto SuperShuttle line boasts that it can take you between the two planets (which are about 5.0 h apart in time) in 2.5 h, what is the shuttle's cruising speed
A particular playground ride acts like a horizontally rotatingturntable, with a moment of inertia of 1000.0 kg*m2. what is the final angular speed (inrad/s) of the child
Consider a container of 2.0 g of hydrogen, H2 (one mole). What electric force do the protons exert on the electrons after they are separated as described
two events occur in an inertial system k at the same time but 7 km apart. what is the time difference measured in a
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