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A mustang going from 0 to 60 in 3.5 seconds has an acceleration of 7.7m/s. Radius of the tires is .35m, what is the angular displacement of the tires between the rest time and 60mph. Provide answer in radians and use the revolution of a tire is 2 x pie x r to convert to the linear distance that was traveled. Then also confirm this by using kinematics.
A boy has a height of 1 m and a mass of 20 kilogram. He drinks a magic potion and becomes a giant of 4 m in height (but retains his previous proportions). Determine what is his mass now
A 56 kg pole vaulter running at 12 m/s vaults over the bar. Her speed when she is above the bar is 1.3 m/s. determine her altitude as she crosses the bar
High-voltage power lines are a familiar sight throughout the country. What is the resistance of ten kilometers of this wire
Two horizontal curves on a bobsled run at the similar angle, but one has twice the radius of the other. The safe speed (no friction needed to stay on the run) for the smaller radius to curve is v. What is the safe speed on the larger radius curve.
In a Mass Spectrometer, ions of a precisely selected speed are sent into a uniform magnetic field where they move along a semicircle, What is the mass of the ion
Which color has the highest index of refraction
Two charged plates create a potential difference of 190 V. At a point halfway between the plates an electron is released from rest. What was the initial speed and direction of the proton
Jack was exposed to fast neutrons; he received a radiation dose of 300rem on part of his hand, affecting 22.0grams of tissue. The relative biological effectiveness (RBE) of these neutrons is 9.00.
a runner of mass m=37kg and running 2.8 m/s runs and jumps on the rim of a playground merry go round which has a moment of inertia of 383 kg.m2 and a radius of 2 meters. what is its final angular velocity
Two blocks are connected on a horizontal frictionless table and pulled to the right with a force F= 60 N. compute the tension in the string connecting the two blocks
What is the net upward force on an airplane wing of area 27.8 m2 if the speed of air flow is 242 m/s across the top of the wing
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