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A satellite is in an elliptical orbit at altitudes rangingfrom 230 to 890 km At the high point its moving at 7.23 km/s. Howfast is it moving at the low point and find the radius of acircular orbit in which the total orbital energy of the satelliteis the same as for the elliptical orbit.
Three charged particles are arranged into a triangle. The charge on the particle located (4.0cm, 3.0cm) is 5nC. The charge on the particle at the origin is -3nC, and the change on the particle located at (4.0cm, 0cm) is +6nC. Determine the magnitu..
at 20.0degc a mainly silicon resistor has a resistance of 365 o and a tungsten resistor has a resistance of 752 o. at
The mean lifetime of muons in their rest frame is 2.20 ?s. What is the mean distance traveled before it decays
A 45kg pole-vaulter running at 12 m/s vaults over the bar. Her speed when she is above the bar is 1.90m/s. Avoid air resistance and determine her height as she crosses the bar.
a car at the indianapolis-500 accelerates uniformly from the pit area going from rest to 290 kmh in a semicircular arc
A system with m = 0.041 kg , k = 25 N/m and b = 0.33 kg/s is driven by a harmonically varying force of amplitude 4.7 N. Find the amplitude of the steady-state motion
Olympic diver Matthew Mitcham springs upward from a diving board that is 3.10 m above the water. Determine his maximum height above the water
A 1500kg wrecking ball hangs from a 20m -long cable. The ball is pulled back until the cable makes an angle of 17.0° with the vertical. By how much has the gravitational potential energy of the ball changed?
The water in a tank is at a gauge pressure of 259,181 Pa. If the bottom of the tank that has an area of 0.6 m2, what is the force on the bottom of the tank
Antimony (atomic number 51) is composed of two principal isotopes, antimony-121, which has a mass of 120.904 atomic mass units, What is the atomic mass of natural antimony?
A 720gg , 50-cm-long metal rod is free to rotate about a frictionless axle at one end. While at rest, the rod is given a short but sharp 1000 N hammer blow at the center of the rod, aimed in a direction that causes the rod to rotate on the axle..
An object thrown straight up falls back and is caught at the sameplace it is launched from. Its time of flight is T;its maximum height is H. Neglect air resistance. What is its average velocity for the second half of the trip?
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