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1. Compare and contrast the different measurement scales for observed data.
2. Give four examples of variables measured on each of the different scales, beyond the ones given in the discussion above.
A police radar's effective range is 0.80 km, and your radar detector's range is 2.1 km. At what rate must you negatively accelerate to avoid a speeding ticket
A solar collector is placed in direct sunlight where it absorbs energy at the rate of 880 J/s for each square meter of its surface. What equilibrium temperature does the collector reach
the aurora is caused when electrons and protons moving in the earths magnetic field of 5x10-5 t collide with molecules
For a real train the friction between the car and the track can be described by a friction coefficient, μ. Find out this coefficient assuming that the time it takes for the car to come to rest is 3 s.
A ring of wire is dipped into a soap solution and it is held so that the soap film on the ring is vertical. compute the thickness of the film
A meter stick is hinged at its lower end and allowed to fall from a vertical postion. iof its moment of inertia is Ml2/3 with what angular velocity does it hit the table
The maximum wavelength that an electromagnetic wave can have and still eject electrons from a metal surface is 469 nm. What is the work function W0 of this metal? Express your answer in electron volts.
A 220 g block is attached to a horizontal spring and executes simple harmonic motion with a period of 0.400 s. If the total energy of the system is 2.50 J. Discover the force constant of the spring. Discover the amplitude of the motion.
An oscillating block-spring system has a mechanical energy of 1J, amplitude of 10 cm, and a maximum speed of 1.20 m/s. Discover (a) the spring constant, (b) the mass of the block, and (c) the frequency of oscillation.
Three identical 6 kg cubes are place in a horizontal frictionless surface in contact with one another. The cubes are lined up from the left to the right and a 36 N force is applied to the left side of the left cube causing all three cubes to accelera..
A block of wood of mass m1 = 1.00 kg slides to the right on a frictionless horizontal table with a speed of 30.00 m/s. How much is the spring compressed by the wood
A ball of mass M and radius R starts at rest at a height of 2.00 m and rolls down a 30 degree slope. What is the linear speed of the ball when it leaves the incline. The moment of inertia of a solidsphere is I =2/5MR^2.
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