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A car traveling at an initial speed v slides a distance d to a halt after its brakes lock. Assuming that the car's initial speed is instead 2v at the moment the brakes lock, estimate the distance it slides.
The number density in a container of argon gas is 2.37·1025 m?3. The atoms are moving with an rms of 427 m/s. What is the temperature inside the container
Vector A had y component Ay = 13m. A makes an angle of 30 degrees counterclockwise from the y-axis, What is the x component of A
A step down transformer connected to a 120V (rms) household circuit is used to charge the battery in a laptop computer. If the number of turns in the primary coil is 100 and that of the secondary is 10 and Irms = 2.00 mA. What is the power consumpt..
A Fabry-Perot interferometer with fixed plate spacing t = 1.50mm is used to examine filtered light from a helium lamp, with wavelength lambda = 587.56nm. The plates have reflectance R = 0.950. What is the free spectral range (in nm) for this spacin..
A home receives 1.3kW of electric power from a transformer on a nearby pole. What fraction of the power is lost in this transmission line
An object rolls down the ramp shown in the diagram. The mass of the object is 48 grams. it takes the object 0.79 seconds to reach the bottom. What is the coefficient of kinetic friction?
James and Sarah stand on a stationary cart with frictionless wheels. The total mass of the cart and riders is 130 kg. At the same instant, James throws a 1.0 kg ball to Sarah at 4.5 m/s, while Sarah throws a 0.50 kg ball to James at 1.0 m/s. James..
A container of 1m^3 contains one cubic meter of liquid water at a temperature of 0 degrees Celsius. calculate heat current in radiation leaving the cube
A 1500-kg car moving on a flat, horizontal road negotiates a curve, as shown in the figure. If the radius of the curve is 35.0 m and the coefficient of static friction between the tires and dry pavement is 0.500, find the maximum speed the car can..
A professional boxer hits his opponent with a 1025-N horizontal blow that lasts 0.160 s. determine the opponent's final velocity after the blow
Greenland Icecap
An unknown number of moles of an ideal monoatomic gas expand reversibly from Vi = 1.30 m3 to Vf = 2.20 m3, Calculate the work done by the gas
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