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A solid cylinder of mass 10 kg is pivoted about a frictionlessaxis through the center O. A rope wrapped around the outer radiusR1=1.0 m exerts a Force F1=5.0 N to the right. A second ropewrapped around another section of radius R2=0.50m exerts a force F2=6.0 N downward What is the angular acceleration of the cylinder?
question1a diffraction grating has 3816 linescm. light that contains all wavelengths between 464 and 636 nm shines on
Explain the construction of a electromagnetic velocity sensor and explain its working. In a bike speedometer the wheel diameter is 80cm what is the frequency of velocity sensor, which gives 1 pulse per rotation of wheel at a speed of 80Km/H?
Red light of wavelength 666.0 nm produces photoelectrons from a certain photoemissive material. What is the material's work function
A constant current of I = 15 A exists in a solenoid whose inductance is L = 42.2 H. The current is then reduced to zero in a certain amount of time. If the current goes from 15 to 0 A in a time of 75 ms, what is the emf induced in the solenoid
For a science fair competition, a group of high school students build a kicker-machine that can launch a golf ball from the origin with a velocity of 37.5 m/s and initial angle of 38.4° with respect to the horizontal.
A 23 bullet traveling 240 penetrates a 4 block of wood and emerges going 170. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges.
What is weight of the parachutist
A 500-turn circular coil with an area of 0.050 m2 is mounted on a rotating frame, What is the instantaneous emf in the coil at the moment that the normal to its plane is parallel to the field
a satellite of mass 500 kg is placed in an orbit of radius 5 times the radius of earth, i.e. the distance between the satellite, calculate the cetripetal force experienced by the satellite
In the hydrogen atom the radius of orbit B is 16 times greater than the radius of orbit A. What is the total energy of the electron in orbit B
An electron moves in a circular path perpendicular to the constant magnetic field with a magnitude of 2.00 mT. The angular momentum of the electron about the center of the circle is 5.50 multiplied by 10-25 J•s.
A binary system consists of stars of masses m and 2m, separated by a distance L=3.00×1011 m. What is the centripetal acceleration of the other star
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