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You are driving into St. Louis, Missouri, and in the distance you see the famous Gateway-to-the-West arch. This monument rises to a height of 192 m. You estimate your line of sight with the top of the arch to be 9.8° above the horizontal. Approximately how far (in kilometers) are you from the base of the arch?
you are designing a process to store pressurized argon gas a monatomic gas. you start with 4 moles of argon at a
Write an expression for the instantaneous voltage delivered by an AC generator supplying 120 V (rms) at 60 Hz
The work function of sodium is 3.12 *10-19J. A sodium lamp emits yellow light with a wavelength of 590nm. Calculate the stopping potential of the electrons emitted from a sodium plate illuminated by a sodium lamp.
An archer shoots an arrow horizontally at a target 12 m away. The arrow is aimed directly at the center of the target, but it hits 56 cm lower. What was the initial speed of the arrow.
a roller coaster reaches the top of the steepest hill with a speed of 5.3 kmh. it then descends the hill which is at an
What is the work done by the electric field on a charge q as it moves through a potential difference of ?V? (Use any variable or symbol stated above as necessary.)
What initial launch speed is required to allow a projectile to have a range of 300 m if it is launched at an angle of A) 30 above the horizontal B) 45 above the horizontal .C) 60 above the horizontal.
A 2.00 µC charge is experienced by 0.438 N force in an electric field. What is the magnitude of the electric field?
A golf ball is sent flying at an angle of 35 degrees for a total flight time of 5 seconds. Landing at the same level from which it took off, what was the horizontal distance in feet traveled by the ball
A light beam is incident on a piece of water (n = 1.333) at the Brewster's angle. Find the value of Brewster's angle
An atom of mass 3.32*10^(-26)kg oscillates in one dimension at a frequency of 10^13Hz, calculate the quantized energy levels
X-rays of wavelength 0.0963nm are directed at an unknowncrystal. What is the spacing between the crystal planes
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