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In the Mass-Spring virtual lab at (open the link in a new browser window to prevent your quiz from locking out) https://phet.colorado.edu/new/simulations/sims.php?sim=Masses_and_Springs, set the friction to zero and select planet Earth. Now, if you attach a mass to the spring from its initial equilibrium position, it vibrates forever in simple harmonic motion. Why doesn't it come to rest after stretching by a distance 'd'; proportional to the weight of the mass, when the spring's restoring force cancels out the weight of the mass? How will you measure the equilibrium position? How can you attach the mass to the spring so that it doesn't oscillate when you let go?
In preparation for building a space station, an astronaut removes a self-telescoping uniform rod from the cargo bay and releases it, not noticing that he gave it an angular speed of 0.0500 rad/s. Evaluate the angular speed after the catch slips
What is the size of the frictional force acting on the car
Here is a demonstration Pascal used to show the importance of a fluid's pressure on the fluid's depth, What was the weight of the water in the tube
Two point charges are placed along a horizontal axis with the following values and positions: +2 µC at x = 0 cm and - 21 µC at x = 21 cm. At what point (the coordinate) along the x axis is the electric field zero? Expess the answer (in cm) with one d..
q1. a ship sets out to sail to a point 128 km due north. an unexpected storm blows the ship to a point 148 km due east
A certain kind of glass has an index of refraction of 1.660 for blue light of wavelength 420 nm, what is the angle between the two beams inside the glass
If a reversible heat engine were connected between the lake and the copper block and operated until the temperature of the copper block reaches the temperature of the lake then how much work (kJ) could be produced?
What is the charge on the first sphere?
a particular organ pipe can resonate at 264 hz 440 hz and 616 hz but not any other frequencies in between.a what is the
In an AC circuit containing a resistor of 1087 Ω and an unknown capacitor, voltage reads 172 Volt and amperage reads 220 mA. Determine what is the capacity of the capacitor
To determine the specific heat of an object, a student heats it to 100 degrees C in boiling water. If the final temperature is 23.8 degrees, what is the specific heat of the object
Mercury is poured into a U-tube as shown in Figure (a). The left arm of the tube has cross-sectional area A1 of 11.0 cm2, and the right arm has a cross-sectional area A2 of 4.60 cm2.
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