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In a cloud chamber experiment, a proton enters a uniform 0.340 T magnetic field directed perpendicular to its motion. You measure the proton's path on a photograph and find that it follows a circul
If the magnitude of the magnetic force on a proton is when it is moving at 16.0 with respect to the field, what is the magnitude of the force (in terms of ) when this charge is moving at 30.5 with r
At the point where the spring is compressed a distance d (before the maximum compression, as the elevator is still dropping), find an expression for the speed.
Calculate the ratio of earth's rotational kinetic energy due to its rotation around its axis and the translational kinetic energy due to its motion around the sun. Consider the earth to be a homoge
After impact, the block with the embedded bullet slides 7 cm across the table, compressing the spring, before coming momentarily to rest. What was the initial speed of the bullet?
Two large parallel conducting plates, each having an area of 2.00 m^2, are 6.25 mm apart and have charges of equal magnitude and opposite sign on their facing surfaces. An electric force of 3.20*10
A 20000kg- railroad freight car collides with a stationary caboose car. They couple together, and 11 percent of the initial kinetic energy is dissipated as heat, sound, vibrations, and so on. What i
Two large parallel metal plates are uniformly and oppositely charged and the electric field between them is 7.6 × 10^6 N/C. (a) What is the charge density on each plate? (b) If the very large
What is the terminal speed (m/s) at which the bar falls? Assume the bar remains horizontal and in contact with the rods at all times
A) When the spring is released, how high does the cheese rise from this initial position? (The cheese and the spring are not attached.) Use 9.81 m/s^2 for the acceleration due to gravity. Express yo
A capacitor is charged to a potential of 12.0 V and is then connected to a voltmeter having an internal resistance of 3.50 M omega . After a time of 4.20s the voltmeter reads 2.8V . What is the capa
In a cloud chamber experiment, a proton enters a uniform 0.260T magnetic field directed perpendicular to its motion. You measure the proton's path on a photograph and find that it follows a circular
The coil of a generator has a radius of 0.17 m. When this coil is unwound, the wire from which it is made has a length of 9.00 m. The magnetic field of the generator is 0.20 T, and the coil rotates
What is the minimum number of turns (area per turn = 0.018 m2) that the coil must have to produce an rms voltage of 150 V?
Two points charges of +20.0 uC and -8.00 uC are separated by the distance of 20.0 cm. what is the magnitude of electric field due to these charges at a point midway between them ?
The speed of sound in an alcohol at a temperature of 20 C is 1260 m/s. the density of the alcohol at that temperature is 650 kg/m^3. at a temperature of 20 C, find the bulk modulus of the alcohol.
An ion having charge +6e is traveling horizontally to the left at 8.60km/s when it enters a magnetic field that is perpendicular to its velocity and deflects it downward with an initial magnetic for
What current must circulate around an 8.0--diameter loop, about the size of a human heart, to produce this field? What is the magnitude of the heart's magnetic dipole moment?
What are the three lowest frequencies for standing waves on a wire that is 9.0 m long, has a mass of 128 g, and is stretched under a tension of 250 N? (a) lowest (b) second lowest (c) third lowest
Steam at 75kPa and 13 percent quality is contained in a spring-loaded piston cylinder device, with an initial volume of 2 m^3. Steam is now heated until its volume is 5 m^3 ad its pressure is 300 kP
A pile driver drives a post into the ground. The mass of the pile driver is 3,500 kg and it is dropped through a height of 8.0 m on each stroke. If the resisting force of the ground is 4.5 ×
When an electron circles in a uniform circular motion, what would happen if we increased the magnitude of the magnetic field? A) The radius would not change. B) The radius would increase. C) The ra
A Michelson interferometer is set up to produce circular fringes using a Krypton source of wavelength 605.8 nm. Find the angular radius of the eighth bright fringe when the central path difference 2
By measuring the go-and-return time for a laser pulse to travel from an Earth-bound observatory to a reflector on the Moon, it is possible to measure the separation between these bodies. (a) What i
a) Find the magnitude of the final velocity of the 0.151 glider b) Find the magnitude of the final velocity of the 0.303 glider