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A pulley of mass 1.6 kg and radius 3.8 cm holds 2 masses: mass of A= 4.2 kg and mass of B= 7.0 kg
a) what is the rotational inertia of the pulley if it is a disk?
b) what is the acceleration of the system?
c) what is the tension in the cable holding mass A?
d) what is the tension in the cable holding mass B?
Two electrons are located at two of the vertices of an equilateral triangle, one at each vertex. What is the net electric field at the third vertex
An Earth satellite moves in a circular orbit 644 km above Earth's surface with a period of 97.40 min, What are the magnitude of the centripetal acceleration of the satellite
An average temperature of the rest of the universe
A 2 ton automobile moving with a speed of 60 mph collides with a 10 ton truck at an intersection. find the velocity of the two after the collision
A diffraction grating 22.0mm wide has 6000 rulings. Light of wavelength 592nm is incident perpendicular on the grating. What is the largest value of theta at which maxima appear on a distant viewing screen
A bullet weighting 10g is fired with a velocity of 088 m/s. After passing through a mud will 1m thick, its velocity decreases 10 100 m/s. Find the average resistance offered by the mud wall.
Consider three identical metal spheres, A, B, and C. Sphere A carries a charge of +3q. Sphere B carries a charge of -q. compute the ratio of the final charge on sphere
The total mass of the decay products is less than the mass of the original 294Uus atom and what accounts for this missing mass
A motorcycle and a police car are moving toward one another. The police car emits sound with a frequency of 532 and has a speed of 25.5. The motorcycle has a speed of 12.50. What frequency does the motorcyclist hear in this case?
A wrecking yard inventor wants to pick up cars by charging a 0.400 m diameter ball and inducing an equal and opposite charge on the car.
What are the velocities of the two people after the snowball is exchanged. What is the greatest kinetic energy of the electrons removed from the cathode by this light.
q. a a diamond is underwater. a light ray enters one face of the diamond and after that travels at an angle of 30
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