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You are driving into St. Louis, Missouri, and in the distance yousee the famous Gateway-to-the-West arch. This monument rises to aheight of 192 m. You estimate your line of sight with the top ofthe arch to be 8.6° above the horizontal. Approximately how far (inkilometers) are you from the base of the arch?
An electric motor rotating a workshop grinding wheel at a rate of 9.20x101 rev/min is switched off. How long does it take for the grinding wheel to stop
A converging lens of focal length 0.187 m forms a virtual image of an object. What is the distance between the object and the lens
A fully equipped astronaut has a mass of 140 kg. If the astronaut has a weight of 675 N standing on the surface of a planet, what is the acceleration due to gravity on this planet?
q1. a race car has the mass of 702 kg. it starts from rest and travels 45.0 m in 3.0 s. the car is uniformly
What is the electric field at the test charge?
A 118 kg fullback runs at the line of scrimmage. How fast was he running initially
Consider a diffraction grating with 7000. lines/cm with a screen 2.50 m away and 440. nm wavelength light. How many side maxima would be observed on one side of the central maximum
a parallel-plate capacitor has plates separated by 0.76 .part a if the electric field between the plates has a
A spring-block system executes simple harmonic motion. The mass of the block is m = 12 kg and the total energy is E = 18 J. The amplitude is A = 0:10 m. Find the maximum speed and the maximum acceleration
at the center of a 59-m-diameter circular ice rink a 77 kg skater traveling north at 2.45 ms collides with and holds
find the center of mass of a uniform density cone. give your answer as a distance from the cone point, and as a fraction of the total cone height
You are standing on a large sheet of frictionless ice and are holding a large rock. If your mass is 75.0kg and the rock's mass is 14.3kg, what is your speed after you throw the rock
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