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The International Space Station, launched in November 1998,makes 15.65 revolutions around the earth each day in a circularorbit. Apply Newton's second law to the space station and find its height (in kilometers) above the earth's surface.
A thin rod has a length of 0.684 m and rotates in a circle on a frictionless tabletop. The axis is perpendicular to the length of the rod at one of its ends. what is the change in the angular velocity of the rod
A man holds a pail of water by the handle and whirls it around avertical circle of radius 0.84 m at constant speed. What is the minimum speed that the pail must have at the top of its circularmotion if the water is not to spill out of the upside-down..
a 2.0 meter long string that has a mass of 24.0 grams is under 45 n of tension. a sinusoidal wave with an amplitude
A 35.1 kg girl and a 58.4 kg boy are on the surface of a frozen lake, 14.5 m apart. Calculate the magnitude of the girl's acceleration
A cork on the surface of a pond bobs up and down two times per second on ripples having a wavelength of 8.80 cm. If the cork is 13.5 m from shore, how long does it take a ripple passing the cork to reach the shore?
A covex lens of focal length 10 cm placed 40 cm in front of aconcave lens of focal length 25 cm.A small object is placed 20 cmin front of the convex lens calculate the location of the finalimage relative to the second lens. Include a ray diagram
A 2.5 mm diameter copper wire carries a current of 33 A, uniformly distributed across its cross-section. Determine the magnetic field at the surface of the wire
Studies have shown that some people can detect 577 nm light with as few as 100 photons enteringthe eye per second. What is the power delivered by such a beam of light
Blocks of 1.0, 2.0, and 3.0 kg are lined up on a frictionless table with a 12 N force applied to the leftmost block
3 amperes of current flow through a wire. What net charge flows past a point in the wire each second
An unknown resistor is connected between the terminals of a 5.5 V battery. At what rate is energy now dissipated
The small spherical planet called "Glob" has a mass of 7.28 x 10^18 kg and a radius of 6.26 x 10^4 m. What was the initial speed of the rock
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