Determine speed at which platform begins to roll upward
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A orbiting satellite stays over a certain spot on the equator of (rotating) Earth. What is the altitude of the orbit (called a "synchronous orbit")?
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Determine (a) the speed v_o at which the platform A begins to roll upward (b) the normal force experienced by an 80kg rider at this speed.
In a certain binary-star system, each star has the a mass of 1.20 x 1030 kg, and they revolve about their center of mass. The distance between them is 1.5 x 108 km. What is their period of revolution in Earth years?
Suppose that 4% of the 2 million high school students who take the SAT each year receive special accommodations because of documented disabilities. Consider a random sample of 35 students who have recently taken the test. (Round your probabilities
A design specification requires that a 1008 pound vehicle be able to climb a 38 degree incline at 43 mph. What is the minimum horsepower required of its engine?
Airlines sometimes overbook flights. Suppose that for a plane with 50 seats, 55 passengers have tickets. Define the random variable Y as the number of ticketed passengers who actually show up for the flight. The probability mass function of Y appe
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