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Three particles of mass m = 2.4 kg are fastened to three rods of length d = 0.69 m and negligible mass. The rigid assembly rotates about point O at angular speed ? = 7.5 rad/s. About O, what are (a) the rotational inertia of the assembly, (b) the magnitude of the angular momentum of the middle particle, and (c) the magnitude of the angular momentum of the assembly?
A 2.0 kilogram cart is initially at rest on a level floor. Determine the kinetic energy of the cart after a constant horizontal 8.0 newton force is applied to the cart over a distance of 1.5 meters
An ice cube of volume 10.6 cm3 is at first at a temperature of -9.3°C. How much heat is necessary to convert this ice cube into steam.
A 0.200-kg block along a horizontal track has a speed of 1.80m/s at once before colliding with a light spring of force constant 44.2 N/m located at the end of the track.
A 0.8-kg mass is hanging from a spring with spring constant 12 N/m. Then the mass is displaced from the equilibrium by 2 cm, What is the resulting frequency of the oscillation
Describe, in general terms, how we may be able, through some simple experiments, determine the mass of the Earth
The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with an acceleration of -5.60 m/s^2 for 4.20s, making straight skid marks 62.4m long ending at the tree. At what speed does it hit the tree?
explain how would you evaluate much accountability for AIS security falls on management in a large and a small accounting firm.
Consider a rectangle which is constructed with the long side having a length L and the short side having a length 0. 5L. What is the linear speed of the outer edge when the rectangle is again vertical but now is straight down
Using a 679-nm wavelength laser, you form the diffraction pattern of a 0.101-mm wide slit on a screen. How far is the screen located from the slit
It continues to fly along the same horizontal arc, but increases its speed at the rate of 1.10 m/s2. Find the acceleration in this situation at the moment the hawk's speed is 4.25 m/s. Find out the magnitude and direction (degrees)
An experimental bicycle wheel is placed on a test stand so that it is free to turn on its axle. If a constant net torque of 5.00 N · m is applied to the tire for 3.00 s, Compute the friction torque
What is the propotion of the mass of these excess electrons to the mass of the penny.
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