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What would be the appearance of the velocity-time curve if the falling body were so light that the effect of air friction could not be neglected?
When the switch on free fall apparatus is opened, the electromagnet does not instantly lose quite all of its magnetism.
What effect does this have on the results?
You are walking around your neighborhood and you see a child on top of a roof of a building kick a soccer ball, How tall is the building that the child is standing on
find the moment of inertia of solid cylinder of radius a height h and mass m about the axis of the cylinder. hint this
Two narrow slits are illuminated by a laser with a wavelength of 581nm. Calculate the distance between the two slits
If light is measured traveling through some medium at 0.90c, where c represents the speed of light in a vacuum, what is the index of refraction of the medium
a weight of 10 n is dropped from a height of 1.2 m onto a spring cushion pad. if the spring has an elastic force
The wavelength of the laser beam used in a compact disc player is 510 nm. Estimate the spacing between the slits of the grating
A sled weighing 1.0 X 10^2 N is held in place on a frictionless 20.0 degree slope by a rope attached to a stake at the top. The rope is parallel to the slope. What is the normal force of the slope acting on the sled.
An air-filled spherical capacitor is constructed with an inner-shell radius of6.50cm and an outer-shell radius of15.0cm. What potential difference between the spheres results in a 4.00-µC charge on the capacitor
How many electrons would have to be removed from one sphere and added to the other to cause an attractive force between the spheres of magnitude 1.00 x 10^4 N (roughly one ton)? Assume that the spheres may be treated as point charges.
a boat has a mass of 6800kg. its engines generate a drive force of 3750n due west while the wind exerts a force of 790n
The Young%u2019s modulus for aluminum is 6.7x10^10. Determine the theoretical speed of sound for the metal bar
q1. a street lamp weight 164n. it is supported equally by two wires that form an angle of 129 degrees with each other.
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