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Compare and contrast kinematics versus dynamics in mechanical systems.
Give an example of each.
A spring scale is fastened to the ceiling of a railway car. When a 1.0-kg block is hung from the scale, it reads 12 N and is oriented as shown in the figure. What is the approximate acceleration of the car as measured by an observer at rest on the gr..
A (smooth) rope of length L and mass m is placed above a hole in a table. One end of the rope falls through the hole, Find the mechanical energy lost from the rope as the end of the rope leaves the table
Electrostatic interactions with neighbors cause atoms in solids to be held in place as if bound together by tiny springs. How do you arrive at that conclusion
The work that the piston does on the gas when the air expands from 0.030 m3 to 0.050m3 is 2020 J. How many moles of gas are in the container?
an old professor uses a converging lens with focal length 28 cm to view a coin 16 cm in front of the lens.a where is
In a physics laboratory experiment, a 6.00 kg box ispushed across a flat table by a horizontal force F. If the box is moving at a constant speed of 0.35m/s and the coefficient of kinetic friction is 0.12. What is the magnitude ofF?
You know a 75 kilogram cyclist who wants to exercise indoors on a Monark bicycle ergo meter during bad weather. Calculate the length of the exercise session required to expend 750 net kcal
A hot-air balloon sinking toward ground at speed of 3.05m/s, when a piolet drops sandbags overboard. How far did the balloon fall during that time
a dinoflagellate takes 5.2 s to travel 0.6 mm. approximate a dinoflagellate as a sphere of radius 35.0 microm ignoring
an 8.000-mw laser beam emits a cylindrical beam of light 0.9000 mm in diameter. what is the rms value of the electric
a heavy box of school books (mass is 50kg) was set down at rest on an inclined street (theta = 30 degrees). Draw a force Diagram of the box
What is the charge per unit area on the plastic sheet.
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