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Are the following statements true or false?
1) Two balls, one larger than theother, roll without slipping across a horizontal floor with thesame center of mass velocity. The ball with the larger radius hasthe larger magnitude of angular velocity about an axis through itscenter of mass.TrueFalse
2) The net torque on an object instatic equilibrium must be zero about any axis.TrueFalse
3) The relationshipt =Ia relating the torqueand angular acceleration about the center of mass of an object isnot valid whenever the center of mass is accelerating.TrueFalse
4) If the net force on a system iszero, then the system must be in static equilibrium.TrueFalse
5) A rotating object must beexperiencing a net torque about the rotation axis.TrueFalse
6) If there is a net torque on asystem there must be a net force on the system.TrueFalse
An X-ray photon with a wavelength of 0.240 nm scatters from a free electron at rest. Find the initial momentum of the photon
A resonant circuit using a 240 μF capacitor is to resonate at 15.5 kHz. How many loops will the inductor contain
An aircraft weighing 991 N is accelerated at 11 m/s2 for 13 seconds, at which time the aircraft launches. How much work was done on the aircraft
A cylindrical eraser of negligible mass is dragged across a paper at a constant velocity to the right by its pencil. The coefficient of kinetic friction between eraser and paper is 0.650. The pencil pushes down with 3.70 .
in a young's double slit experiment two rays of monochromatic light emerge from the slits and meet at a point on a distant screen. what is the wavelength in mm of the monochromatic light
A 2.3 106-kg spaceship moves away from Earth with a speed of 0.37c. find the magnitude of the ship's classical momentum
At time t= 0, a 2150-kg spacecraft in outer space fires an engine that exerts anincreasing force on it in the +x-direction. What impulse does the engine exert on the spacecraft during the 1.5 s interval starting 2.0 s afte..
question1calculates the average velocity in following two cases.a you walk 73.2m at the speed of 1.22ms and then run
an electron moves at right angles to a magnetic field of 0.10 . what is its speed if the force exerted on it is
a bullet is fired vertically upward and reaches a height of 2150m. what is its initial velocity and how long does it
a shot putter threw a shot-put with a speed of 13.4 m/s at an angle of 43 above the horizontal. How far did the shot-put travel in the horizontal direction
Find a Compact Disk. find a white light source and see if you can convince yourself that you are looking at the reflection of the light source as seen in the first order m = 1 maxima, estimate the spacing between the tracks of a CD
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