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Question: A coin of mass m is placed distance r from the center of a turntable. The coefficient of static friction between the coin and the turntable is μ. Starting from rest, the turntable is gradually rotated faster and faster.
a) how fast can the turntable (in terms of your givens) rotate before the coin slips off?
A woman is riding a Jet Ski at a speed of 25 m/s and notices a seawall straight ahead. what is the minimum distance from the seawall
An inductor has a cross-sectional area of .03m2 and a length of 4 cm. When the current running through it changes from 6A to 10 A in .2 s
Computer chips etched on circular silicon wafers of thickness 0.200 are sliced from a solid cylindrical silicon crystal of length 24.If each wafer can hold 100 chips, what is the maximum number of chips that can be produced from one entire cylinder?
A 4.0-cm-tall object is 30 cm in front of a diverging lens that has a -15 cm focal length.
Estimate the depth of packing if the desired concentration of dissolved CO2 in the outlet liquid is 95% of the saturation value for dissolved CO2 in water under CO2 partial pressure of 2 atm and 20°C.
The days on Mars and Earth are of nearly identical length. Earth's mass is 9.35 times Mars's mass, Earth's radius is 1.88 times Mars's radius, Estimate the ratio (Earth to Mars) of the their orbital kinetic energies
Additionally the horizontal surface exerts a 25 newton frictional force on the mass. What is the acceleration of the mass.
A 1.000 m long sight rod is viewed by a theodolite which has an objective lens of focal length 240mm. the centre support of the theodolite is 77.5 mm behind the objective lens. The image of the rod on the reticule is 1.5 mm high.
A car of mass 930 kg is traveling over the top of a hill, If the hill has a radius of curvature of 38 m and the car is traveling at 13 m/s, what is the normal force between the hill and the car at the top of the hill
two point charges are on the y-axis. a 2.5 microc charge is located at y 1.50 cm and a -2.48 microc charge is located
For the infinite square well problem an electron spends 40% of its time in the n=3 state and 60% of its time in the n=5 state. What is the average energy of the electron
the distance between an object and the screen is 2.56 m. a converging lens of focal length 25 cm is placed used to cast
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