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The position of a particle is given in cm by x = (5) cos 5?t, where t is in seconds. Find the maximum acceleration of the particle
An electron travels with speed 1.0*10^7 m/s between two parallel charged plates. The plates are separated by 1.0 cm, What is the direction of the magnetic field
Observer S detects two flashes of light. A big flash occurs at x1 = 1242 m and, 6.06 ?s later, a small flash occurs at x2 = 802 m. what is the time interval between the flashes
Light at wavelength 589 nm from a sodium lamp is incident perpendicularly on a grating with 40900 rulings over width 82 mm
A gas of hydrogen atoms is in the n = 2, l= 1 state. Find the spacing between the three degenerative levels of Ml
Calculate the period of a satellite orbiting the Moon, 94km above the Moon's surface. Ignore effects of the Earth
Imagine holding a really light object on top of a really massive object, and then dropping both of them at the same time onto the ground, how high will the little object bounce
A 0.025-kg block on a horizontal frictionless surface is attached to an ideal massless spring whose spring constant is 150 N/m. what is the kinetic energy of the block
A muon with rest energy 106 MeV is created at an altitude of 4600 m and travels downward toward Earth's surface. What is the muon's total energy in the Earth observer's frame of reference
If the length of the field between goal lines in the Earth frame is 85.2 m, what length is measured in the rest frame of the particle
an object is shown next to a lens of focal length 50cm. Given that the image is also shown on the right side of the lens, determine the image location
light of wavelength 6.7x10^-7m travels first through air, and then enters a medium of higher index of refraction. what is the new speed of the light wave
A particle of mass 0.500 kg is attached to the 100-cm mark of a meterstick of mass 0.200 kg. Calculate the angular momentum of the system
An audio amplifier delivers to the speaker alternating voltage at audio frequencies. what is the time-averaged power transferred to it
A car is parked 21.0 m directly south of a railroad crossing. A train is approaching the crossing from the west, What frequency does the car's driver hear when the horn blast reaches the car
40K is a naturally occurring rare isotope of potassium responsible for some of our exposure to background radiation. Find the radius of a 40K nucleus
A rectangle coil of 55 turns, dimensions of 0.100m by 0.200m and a total resistance of 10.0 ohms rotates with angular speed 33.0 rad/s about the y axis in a region, Calculate the maximum induced emf
Find the length of a side of a cube having a mass of 1.3 kg and the density of nuclear matter, taking this to be 2.3 ? 1017 kg/m3
A particle of ionizing radiation creates 4900 ion pairs in the gas inside a Geiger tube as it passes through. What minimum energy was deposited
An energy of 28.0 eV is required to ionize a molecule of the gas inside a Geiger tube, What maximum number of ion pairs can it create
Electrons are accelerated through a potential difference of 39.0 V. The beam of electrons then passes through a single slit. estimate the width of the slit
A thin double-convex lens is intended to focus the image of an object onto a screen so that the image is life-sized on the screen. find the total distance between the object and the image
Hearing damage may occur when a person is exposed to a sound intensity level of 90.0 dB for a period of 9.00 hours, How much sound energy is incident on the eardrum during this time
For the third circuit, consisting of a single battery and two light bulbs in parallel, What is the current through each bulb
Sodium coolant with a specic activity of 0.05 Ci/cm3 passes through a long pipe 8 in. in diameter. estimate the thickness of a cylindrical concrete shield