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A large wooden turntable in the shape of a flat disk has a radius of 2.25m and a total mass of 135kg. The turntable is initially rotating at 3.35rad/sabout a vertical axis through its center. Suddenly, a 74.5kg parachutist makes a soft landing on the turntable at a point on its outer edge.
Find the angular speed of the turntable after the parachutist lands.(Assume that you can treat the parachutist as a particle.)
selzer estimates the total cost of servicing the warranties will be $120,000 for 2 years. Estimate revenues earned on basis of costs incurred an estimated costs.
what is the kinetic energy of the system. assume the roller coaster in Fig. 6-41 (h1 = 36 m, h2 = 14 m, h3 = 25) passes point 1 with a speed of 2.00 m/s. If the average force of friction is equal to one sixth of its weight, with what speed will it ..
Let us use the uncertainty principle to (very roughly) estimate the size of a hydro- gen atom. Picture the hydrogen atom as an electron orbiting a proton at close to the speed of light.
A certain piece of metal weighs 1.68 N in air and 0.82 N when submerged in water. What is the mass density of the metal (in g/cm3)
High-voltage power lines are a familiar sight throughout the country, What is the resistance of 15 kilometers of this wire
If the magnetic field strength is 0.845 T, what is magnitude and direction of the magnetic force on the wire between the poles
Find the x and y components and the magnitude and direction of the electric field at the following points. Find the x and y components and the magnitude of the electric field at the origin.
What happens to the resistance of copper wire after dunking it in liquid nitrogen? and what happens to the resistance of a carbon resistor when you dunk it in liquid nitrogen.
How far must it now sail to reach its original destination. find the potential energy of the system.
Question on center of gravity Discover speed of each block
How numerous revolutionsthe wheel have made through the time
In vacuum, two charged particles lie 2.5 cm apart. Find the magnitude and direction of the electric field at a point midway between the two particles. (One has a charge of -8.0 µC and the other has a charge of +4.0 µC.) Magnitude.
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