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A satellite on a circular orbit of radius R around Mars has an orbital period of 10.0 hr. A second satellite is to be placed in a circular orbit so that its orbital period will be 5.00 hr. The radius of the orbit of the second satellite must be closest to?
A fireman, 25.6 m away from a burning building, directs a stream of water from a ground level fire hose at an angle of 39.5° above the horizontal
A 20 kg satellite has a circular orbit with a period of2.4 h and a radius of 8.0 × 106m around a planet of unknown mass. what is the radius of the planet
Find the minimum initial speed of a projectile in order for it to reach a height of 1961 km above the surface of the earth
A crate of mass m (=30 kg) is placed at rest on a (frictionless) inclined plane, which has an angle (= 60o) above horizontal. How long would it take the crate to slide 8 m down the incline?
We've seen that fish can control their buoyancy through the use of a swim bladder, a gas-filled organ inside the body. How many moles of air are in the swim bladder when the fish is at a depth of 97ft
A 20 kg satellite has a circular orbit with a period of 2.4 h and a radius of 8.0 Ã- 106 m around a planet of unknown mass. what is the radius of the planet
A tire of an automobile has a gauge pressure of 30 psi at the top of a mountain, and the air temperature inside the tire is 300K. The atmospheric pressure at the top of the mountain is 1.7 atm.
How practical is solar power for various devices? Assume that on asunny day, sunlight has an intensity of 1000 W/m2 at thesurface of Earth and that, when illuminated by that sunlight, asolar panel can convert 10% of the sunlight's energy into elect..
Suppose a collision produces a pair of particles, an electron and a positron (antielectron). the two are both initially traveling at a velocity of 8.0E4i m/s. what is the electric force on the electron? (neglect the electric force due to the positr..
Two charged bodies exert a force of 0.190 N on each other. If they are moved so that they are one-fifth as far apart, what force is exerted
In civil aviation, a "standard turn" for level flight of apropeller driven airplane is one in which the airplane makes acomplete circular turn in 2 min. If the plane's speed is 168 m/s, what is the radius of the circle?
the oscillations of an actual spring-block system slowly reduce in amplitude and finally the system comes to a halt.
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