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Three particles of mass 8 kg, 5 kg, and 3 kg are connected by rigid rods of negligible mass lying along the y axis and are placed at 5 m, ?3 m, and ?7 m, respectively as in the figure. The system rotates about the x axis with an angular speed of 1.04 rad/s . 1.Find the moment of inertia about the x axis. Consider the masses to be point parti- cles. Answer in units of kg · m2 2.Find the total rotational energy of the system. Answer in units of J 3. Find the linear speed of the top particle of mass 8 kg in the figure. Answer in units of m/s.
Two point charges, Q = +5.17 microC and q = -2.83 microC, are separated by r = 5.85 m. What is the electric potential energy?
A uniform rod of mass 2.95×10?2kg and length 0.380m rotates in a horizontal plane about a fixed axis through its center, What is the angular speed of the rod
A spring has a spring constant k = 0.84 N/m. If it is stretched 0.13 m from its equilibrium position, what is the restoring force of the spring
Calculate the index of refraction for a piece of glass that is 3.5 cm thick if the ray inside the glassmakes an angle of 25.4 degree with respect to the normal
An incident beam of photons is scattered through 138.5° the wavelength of the scattered photons is 124.66 pm. What is the wavelength of the incident photons
A Styrofoam cup holding 100 g of hot water at 1.00 102°C cools to room temperature, 17.0°C. What is the change in entropy of the room
a hummingbird hovers 4.00cm from the surface of a decorative stainless-steel sphere that sits on a pedestal in a garden. make a sketch of the optical system
The forward airspeed of an airplane is 75.0 m/s, and an airplane propeller turns at 2400 rpm. What is the maximum possible propeller radius
how to compute the fraction of silver in the crown.
A proton is located at the origin, and a second proton is located on the x-axis at x=6.00 fm. (a) compute the electric potential energy associated with this configuration.
A roller coaster, traveling with an initial speed of 15 meters per second, decelerates uniformly at -7.0 meters per second per second to a full stop
Someone throws a rock at a clock 5 meters away from them. The rock is thrown at a height of 120cm. The velocity that it reaches is 25 m/s. By how much did she miss the center of the clock
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