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A 20cm radius centrifuge is spinning. If the test tube travels a distance of 50 meters around the centrifuge in 3 seconds, what is the acceleration of the tube? How many g's does the tube experience? What is the period and frequency?
Mr. Smith is on top of a building launching water balloons. Let's assume he is 15 m above the ground and he is launching them at an angle of 30o above the horizon with a speed of 20 m/s. Compute how long will the balloons be in the air
A meter stick is initially at rest in a horizontal position. It is free to rotate about the 50 centimeter point. Find the magnitude of the total torque on the meter stick
The electric potential due to the charge distribution?
You are traveling north at 23 m/s in your convertible. A truck behind you is traveling north at 12 m/s. Obtain the frequency that the truck driver hears from her horn
A small object of mass 0.0150kg & a charge of 3.1 uC hangs fromthe ceiling by a thread. determine the tension in the thread
An oil company refines crude oil valued at $62/barrel and sells it to motorists at its retail outlets. The price is $4/U.S. gallon ($1.06/L). By what percentage has the price increased going
A transverse mechanical wave is traveling along a string lying along the x-axis. The displacement of the string as a function of position and time, y(x,t), is described by the following equation: y(x,t) = 0.0490sin(3.60x-182t) where x and y are in..
A converging lens:
In the figure, two conducting balls of identical mass m = 15 g and identical charge q hang from non conducting threads of length L = 120 cm. If x = 6.1 cm, what is q? Since x is much smaller than L approximate sin (?) by?
A converging lens (f1 = 24.0 cm) is located 56.0 cm to the left of a diverging lens (f2 = -28.0 cm). An object is placed to the left of the converging lens, and the final image produced by the two-lens combination lies 19.8 cm to the left of the d..
In a ballistic pendulum experiment, a small marble is fired into a cup attached to the end of a pendulum. How high will the pendulum swing if the marble has an initial speed of 5.65 m/s
If all the energy contained in a 46 gram golf ball could be used how long could it power one 100 watt light bulb
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