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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 3.6° above the horizontal. Approximately how far (in kilometers) are you from the base of the arch?
A ray of light in air makes an angle of incidence of 30.2 as it enters an unknown liquid. the refracted ray in the fluid meassured to be 22.5. compute the index of refraction of the unknown liquid
Create a visual display for a tennis ball rolling horizontally along a table and as it goes off the table. Sketch and label all forces acting on the ball in as a minimum three different locations of its motion.
how is the graph of the total volume of a bathtub while the water inflow rate follows a seesaw pattern for half of the time and the similar pattern for outflows on the other half.
A charge of ?3.00nC is placed at the origin of an xy-coordinate system, find the x and y components of the total force and Find the direction of this force
The intensity of the sunlight that reaches Earth's upper atmosphere is approximately 1450 W/m2. Find the rms value of the magnetic field.
A simple pendulum in a science museum entry hall is 3.51m long, has a 1.25kg bob at its lower end, and swings with an amplitude of 10.50 degrees. How much time does the pendulum take to swing from its extreme right side to its acute left side.
In a period of 1.0 s, 5.0 x10^23 nitrogen molecules strike a wall of area 7.80 cm2. If the molecules move at 270 m/s and strike wall head on in a perfectly elastic collision, find the pressure exerted on the wall. (The mass of one N2 molecule is 4..
he density of free electrons in gold is 5.90x10^28 m^-3. The resistivity of gold is 2.44x10^-8 ohms.m at a temperature of 20 C, what is the drift velocity of the electrons in the wire
An AM radio transmitter broadcasts 47.0 kW of power uniformly in all directions, What is the maximum electric field strength at this distance
About the axis of the rod.ωA ball of mass m is attached by two strings to a vertical rod. The entire system rotates at constant angular velocity.
A kind of glass has an index of refraction of 1.640 for blue light of wavelength 430 nm, what is the angle between the two beams inside the glass
An 80 kg spacewalking astronaut pushes off a 640 kg satellite, exerting the 100N force for the 0.50 s it takes him to straighten his arms.
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