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The mass of a copper atom is 1.06 × 10-25 kg, and the density of copper is 8 920 kg/m3.
(a) Determine the number of atoms in 1 cm3 of copper.
(b) Visualize the one cubic centimeter as formed by stacking up identical cubes, with one copper atom at the center of each. Determine the volume of each cube. (c) Find the edge dimension of each cube, which represents an estimate for the spacing between atoms.
An electron and a proton are each placed at rest in a uniform electric field of magnitude 510 N/C. Calculate the speed of each particle 49.6 ns after being released
In a period of 9.00 s, 9.40x1023 nitrogen molecules strike a section of a wall with an area of 2.00 cm2. what is the pressure exerted on the wall
A projectile of mass 0.6 kg is fired vertically upwards in the barrel of a gun by a vertical net propelling force of 50 N acting over a period of0.5 seconds. Calculate the velocity of the projectile when it leaves the gun.
A model airplane of mass 0.530 kg is flying at constant speed in a horizontal circle at one end of a 29.0 m cord and at a height of 11.0 m. What is the acceleration of the plane
A uniform magnetic field of magnitude B = 0.020 T is in the positive y-direction. Determine the magnitude and direction of the magnetic force on each segment.
On a clear day at a certain location, a 150-V/m vertical electric field exists near the Earth's surface. At the same place, the Earth's magnetic field has a magnitude of 4.800 10-5 T. Compute the energy density of the electric field.
Given that the radius of the Moon is roughly one-quarter that of the Earth, find the mass of the Moon in terms of the mass of the Earth
A parallel-plate air-filled capacitor having area 44.0 cm2 and plate spacing 2.80 mm is charged to a potential difference of 620. V.
Light from a sodium vapor lamp passes through a filter that blocks all but a single narrow wavelength band. It then fallson two slits separated by 0.460mm. The resulting interferencepattern on a screen 2.20 meters away has adjacent bright fringes ..
In a model AC generator, a 505 turn rectangular coil 7.0 cm by 20 cm rotates at 124 rev/min in a uniform magnetic field of 0.56 T. What is the maximum emf induced in the coil
The variable capacitor in the tuner of an AM radio has a capacitance of 2820pF when the radio is tuned to a station at 571kHz. What must the capacitance be for a station
A ball of mass 1.5 kg is thrown upward. It leaves the thrower's hand with a velocity of 10 m/s. After the ball hits the thrower's hand, it comes to rest in a time of .25s. Define is the net impulse exerted on the ball?
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