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An 9.00-cm-diameter, 390g sphere is released from rest at the top of a 1.50-m-long, 15.0 degree incline. find the sphere's angular velocity at the bottom of the incline
To perform a FSO2 analysis using the AO method, you discover that you are out of 3% H2O2. There are 30 samples to test. Will 40 ml of 30% H2O2 be enough to get through all the FSO2 samples and why
A hoop and a disk, both of 0.68- m radius and 4.0- kg mass, are released from the top of an inclined plane 2.6 m high and 7.7 m long. What is the speed of the disk
A playground merry-go-round has a disk-shaped platform that rotates with negligible friction about a vertical axis. how fast will the disk be turning
A layer of oil (n = 1.45) floats on an unknown liquid. A ray of light originates in the oil and passes into the unknown liquid. What is the index of refraction of the unknown liquid
In a two-slit experiment a third order bright fringe is observed at an angle of 7.10°. If the wavelength of light is 595 nm, what is the slit separation?
A wire 69.2 cm long carries a 0.740 A current in the positive direction of an x axis through a magnetic field with an x component of zero
A certain commercial mass spectrometer (Fig. 28-12) is used to separate uranium ions of mass 3.92 x 10-25 kg, calculate the thermal energy (in J) produced in the cup in 1.07 h
one end of a unifrom meter stick of mass 0.25kg is placed against a vertical wall. The other end is held by a lightweight cord making an angle ? =20 degree with the stick, find the frictional force
An electron of kinetic energy 1.58 keV circles in a plane perpendicular to a uniform magnetic field. The orbit radius is 33.0 cm. Find the circling frequency (in Hz)
A mass (3kg) on a string lies on a horizontal frictionless surface tied to a central point. How fast can the mass move around the circle without breaking the string
A generating station is producing 2.00 106 W of power that is to be sent to a small town located 8.0 km away. Find the power used to heat the wires if the power is transmitted at 1300 V
A long, current-carrying solenoid with an air core has 1640 turns per meter of length and a radius of 0.0173 m. What is the mutual inductance of this system
The wingspan (tip-to-tip) of a Boeing 747 jetliner is 59 m. The plane is flying horizontally at a speed of 300 m/s. Find the emf induced between the wing tips
A piece of copper wire is formed into a single circular loop of radius 10 cm. A magnetic field is oriented parallel to the normal to the loop, find the average electrical energy dissipated in the res
A car of mass 1500kg turns an incined corner (radius 50m, angle 30degrees), How fast can the corner be taken without losing traction
A thin uniform rod (mass = 0.95 kg) swings about an axis that passes through one end of the rod and is perpendicular to the plane of the swing. What is the maximum kinetic energy of the rod as it sw
Calculate the standard free-energy change at 25 ^ \circ \rm C for the following reaction using the table in the introduction
A wooden block (mass 0.1kg) is set on a rotating disk. What is the minimum coefficient of friction to ensure the block does not slide outward
An AC generator supplies an rms voltage of 240 V at 60.0 Hz. It is connected in series with a 0.450 H inductor, a 3.90 ?F capacitor and a 316 ? resistor. What is the peak voltage across the inductor
at 25c the standard enthalpy of formation of HF(aq) is -320.1 kj/mol. of OH(aq) it is -229.5Kj/mol. of F (aq) it is -329.5 Kj/mol.of H2O(l) it is -286.1Kj/mol.
A car of mass 1500kg is driving across a flat parking lot (u=0.3), How fast can the turn be made without causing the car to slide
An oscillating block-spring system has a mechanical energy of 1.00 J, an amplitude of 9.9 cm, and a maximum speed of 1.13 m/s. Find the spring constant
A 28.0g sample of an unknown metal at 99.0c was placed in a constant pressure calorimeter containing 85.0g of water at 24.0c. the final temperature of the system was found to be 28.4c. calculate the
A block rides on a piston that is moving vertically with simple harmonic motion. If the SHM has period 4.7 s, at what amplitude of motion will the block and piston separate