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A block hangs from the ceiling by a massless rope. A second block is attached to the first block and hangs below it on another piece of massless rope. The bottom block has a mass of 4.87 kg. The tension in the top rope is 106.7 N.
(a) Calculate the tension in the bottom rope.
N
(b) Calculate the mass of the top block.
kg
A cardboard box slides along a wood floor with an ini - tial velocity of 5.00 m/s. what is the coefficient of kinetic friction between floor and box
Antennas for radio transmission and reception are particularly effective if they're about a half-wavelength long. What's the appropriate length for an FM antenna
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A radio controlled car increases its kinetic energy from 4J to 12J over the distance of 2 m. What was the average net force on the car during this interval.
An Olympic runner is at the starting gate and hears the starting gun, Using only acceleration, ai, and time, tr, write an expression for the runner's final speed, vr, when he crosses the finish line
Determine and explain the ways a corporation can use advanced Excel tools such as MIN and MAX statement, conditional formatting, and additional tools that have found to manage their business finances.
The school bus picks up Brian in front of his house and takes him on a straight-line 3.6 km bus ride to school in the positive direction. He walks home after school. If the front of Brian's house is the origin.
What is the horizontal component of superhero's displacement.
What is an average number of ozone molecule
An energy storage system based on a flywheel (a rotating disk) can store a maximum of 4.2 MJ when the flywheel is rotating at 17,500revolutions per minute
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