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The Hubble Space Telescope (HST) is on a circular, low-Earth orbit, at an elevation h = 600 km above the Earth's surface. The orbital period is about 5800 seconds. For an observer who sees HST pass through the zenith, how long is HST above the horizon during each orbit?
You can ignore friction between the sled and surface of the pond. Use the work-energy theorem to find the speed of the sled at 3.00 m.
An airplane flies 200 km due west from city A to city B and then 300 km in the direction of 30 degrees North of West from city B to city C. In straight-line distance, how far is city C from city A.
Two satellites, A and B, are in different circular orbits about the earth. Find the ratio (TA/TB) of the periods of the satellites
A 0.700-kg ball is on the end of a rope that is 2.50 m in length. The ball and rope are attached to a pole and the entire apparatus, including the pole, What is the tangential speed of the ball
A uniform 1.3 kg rod that is 0.8 m long is suspended at rest from ceiling by two springs, one at each end of the rod. Both springs hang straight down from the ceiling.
An AC power generator produces 50A (rms) at 3600V. The voltage is stepped up to 100,000V by an ideal transformer, What is the rms current in the long-distance line
q1. consider a cylindrical segment of a blood vessel 2.9 cm long and 1.70 mm in diameter. what extra outward force
A hundred turn of insulated copper wire are wrapped around an iron cylinder of cross-sectional area 1.0x10^-3 m^2 and are connected to a resistor. The total resistance in the circuit is 10 ?. If the longitudinal magnetic field in the iron changes fro..
drop a rock into a well. You hear the splash 2.40 s after you release the rock from rest. How far below the top of the well is the surface of the water
A tire of radius R rolls in a straight line without slipping. Its center moves with constant speed V. A small pebble lodged in the tread of the tire touches the road at t=0. find the pebble's position, velocity and acceleration as functions of time. ..
In diving to a depth of 750 m, a seal also moves 460 m due east of his starting point. What is the magnitude of the seal's displacement
what is the mass of helium in the balloon.
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