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The fundamental frequency of an open-open tube is 1500 Hz when the tube is filled with 0 degree Celsius helium. What is its frequency when filled with 0 degree Celsius air?
A sled and rider with a combined mass of 55 kilogram are at the top of a hill a height of 35 meter above the level ground below. After the push, find the total mechanical energy of the sled and rider at the top of the hill
In a young's double-slit experiment, light of wavelength 500 nm illuminates two slits which are separated by 1 mm. calculate the separation between adjacent bright fringes
A parachutist of mass 50kg jumps out of an airplane at a hight of 1000m. The parachute deploys, and he hits the ground with a velocity of 5m/s. Find the average resistance on the parachutist
John measured the thickness of a book using a ruler. Calculate the mean thickness of the book.
An ac series circuit has an impedance of 196 ? , and the phase angle between the current and the voltage of the generator is ? = -72°. The circuit contains a resistor and either a capacitor or an inductor
A cylinder contains 3.1 L of oxygen at 310 K and 2.5 atm . The gas is heated, causing a piston in the cylinder to move outward. What is the gas pressure
A 10 kg mass is hung from a pulley that is shaped like a hoop. What is the acceleration of the 10 kg mass as it falls
As a way of determining the inductance of a coil used in a research project, a student first connects the coil to a 15.0 V battery and measures a current of 0.660 A. The student then connects the coil to a 24.0V (rms), 60.0 Hz generator and measures ..
A heat engine does 393.9 J of work per cycle while exhausting 582.64 J of heat to the cold reservior. what is the cold reservior temperature in degrees Celsius
two charged particles are moving with equal velocities of 8.70 ms in the x-direction. at one instant of time the first
A dragster accelerates to a speed of 100 m/s over a distance of 398 m. Determine the acceleration (assume uniform) of the dragster
A projectile is launched vertically from the surface of the earth with an initial speed v0 = 6.75 km/s. What is the magnitude of its acceleration (m/s2) 1620 km above the surface of the earth
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