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A coin placed 31.0 centimeter from the center of a rotating, horizontal turntable slips when its speed is 49.8 cm/s.
(a) Determine what force causes the centripetal acceleration when the coin is stationary relative to the turntable?
(b) Obtain coefficient of static friction between coin and turntable?
There is a potential difference of 1.6V between the ends of a 19cmlong graphite rod that has a cross sectional area of1.2mm2. The resistivity of graphite is 7.5 x 10-6ohms-m.
An golf ball sits on the optical axis of a spherical mirror at a distance of 17 cm. A virtual image is formed a distance of 6 cm away from the mirror. What is the mirror's focal length (include sign if negative)
Two resistors (connected in series with each other) and a 10 Vbattery are connected in a loop. The voltage drop across the firstresistor is 2 V. What is the voltage drop across the second resistor?
A 4.5 kg fish swimming 2 m/s swallows an absent minded 1 kg fish swimming toward it at a velocity that brings both fish to a halt at once after lunch. What is the velocity v of the smaller fish before lunch.
Suppose a beam of 5.0 eV protons strikes a potential energy barrier of height 5.5 eV and thickness 0.59 nm, How long would you have to wait-on average-for one proton to be transmitted
What are the two main mechanisms that the planet Earth uses to balance water that goes up with the water that comes down over Earth.
The spring of the pressure gauge has a force constant of1000 n/m and the piston has a diameter of 2.00 cm as the gauge is lowered into water, what change in depth causes piston to move in by 0.50 cm.
A cardinal (Richmondena cardinalis) of mass 3.60×10-2 and a baseball of mass 0.146 have the same kinetic energy. What is the ratio of the cardinal's magnitude of momentum to the magnitude of baseball's momentum.
a stationary orbit is done with a period equal to the time it takes the planet to revolve one time so that the satellite appears to remain at the same point in the sky all the time. Find the radius of a stationary orbit
Hot exhaust gases leaving an internal combustion engine at 400 C and 150kPa at a rate of 0.8 kg/s is to be used to produce saturated steam at 200 C in an insulated heat exchanger. Water enters the heat exchanger at the ambient temperature of 20 C,..
You need to make a series ac circuit having a resonance angular frequency of 1475 rad/s using a 146 Omega resistor, a 10.5 mF capacitor, and an inductor. What should be the inductance of the inductor
At t = 0, a 755 g mass at rest on the end of a horizontal spring (k = 124 N/m) is struck by a hammer, which gives it an initial speed of 2.73 m/s. Determine the position as a function of time
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