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1. Determine the angular momentum of the Earth
(a) about its rotation axis (assume the Earth is a uniform sphere), and
(b) in its orbit around the Sun (treat the Earth as a particle orbiting the Sun). The Earth has mass = 6.0 X 1024 kg and radius = 6.4 X 106m, and is 1.5 X 108 km from the Sun.
A 0.500-kg mass on a spring has velocity as a function of timegiven by vx(t) = (3.60cm/s) sin[(4.71s-1)t -?/2]. compute the force constant of the spring
Both surfaces of a double convex lens have radii of 30.8 cm. what is the index of refraction of the lens material
A 24N crate is held at rest on a frictioneless incline by a rope that is parallel to the incline. The incline is 25 degrees above the horizontal
An unknown capacitor is charged by a 100-V source through a 1 M? resistor. determine the capacitance of the capacitor
Starting from rest, a 1.8 10-4-kg flea springs straight upward. While the flea is pushing off from the ground, What is the flea's speed when it leaves the ground
A camera is supplied with two interchangeable lenses, whose focal lengths are 41.0 and 150.0 mm. What is the height (including sign) of her image on the image sensor
A +30mc charge is placed on a metallic sphere of 1.0cm radius. The sphere is surrounded by a spherical thick metallic shell, calculate the electric potential of each of the two conductors
Suppose you have a near-point distance of 16 cm. The angular resolution of the eye is determined by diffraction, What is the smallest object your bare eye can resolve
The drawing shows an equilateral triangle, each side of which has a length of 1.59 cm. Point charges are fixed to each corner, Determine the charge qA and q
A massless, rigid board is placed across two bathroom scales that are separated by a distance of 2.06 m. Locate the center of gravity of the person relative to the scale beneath his head
A copper cylinder with a temperature of 277 K is found to emit 179 J of energy each second. what is its surface area
A coin is placed 8 cm in front of a concave morror. T he mirror produces a real imege that has the diameter 4 times larger than that of the coin. What is the image distance.
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