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a. A sample of iron has a density of 7.870×103 kg/m3. Calculate the volume of 0.500 kg of iron (in SI units).
b. If this amount were shaped into a cube, what would be the length of one edge of that cube (in meters)?
What is formula for the acceleration a of the cart in terms of the tension T, and its mass M? make use of the two equations you found above to eliminate T to give the acceleration of the cart in terms of M, m and g. Compute the numerical value for..
At time t = 0 s, a puck is sliding on a horizontal table with a velocity 3.60 m/s, 35.0° above the +x axis, What is the velocity of the puck at time t = 1.50 s
Two spheres, fastened to "pucks" riding on a frictionless air track, are charged with +2 × 10-8 C, and +6 × 10-8 C, correspondingly. Both objects have the same mass. As they repel.
An ideal gas has a pressure of 2.0 atm and temperature 27 degrees celcius. what is the volume of this gas
The wheel of a car has a radius of 0.320 m. The engine of the car applies a torque of 288 N · m to this wheel, What is the magnitude of the static frictional force
A wire carries current to the north (towards the top of the computer screen) through a magnetic field. what is the direction of the magnetic force on the current-carrying wire
You have a string with a mass of 0.0127 kg. You stretch the string with a force of 9.19 N, giving it a length of 1.83 m. What is the wavelength of the standing wave you create
Consider the mass spectrometer shown schematically in the figure below. The electric field between the plates of the velocity selector is 5900 V/m, Calculate the radius r of the path for a singly charged ion
At some location, earths magnetic field is B earth= 0.52 gauses and points north, at 55.0 degrees below horizontal line. find the magnitude of the magnetic force on a 25 m long segment of power line
Intense white light is incident on a diffraction grating that has 720 lines/mm. What is the angular separation between the violet edge (400 nm) and the red edge (700 nm) of the first order spectrum produced by the grating
A monatomic ideal gas ( = 1.67) is contained within a box whose volume and pressure are 3.1 m3, Find the speed of sound in the gas
It runs out of fuel at the end of the 4.97 s but does not stop. Explain how high does it rise above the ground?
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