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A blender is switched to a lower speed and the angular velocity of its blade decreases uniformly from 52 rad/s to 12 rad/s. It takes 0.5 seconds for the blade to slow down. Through what angle does the blade turn during this time?
A parallel plate capacitor (air filled) that is maintained at a 20.0 V potential difference between plates, Calculate the surface charge density, and the charge on each plate
A car drives straight off the edge of a cliff that is 58 m high. The police at scene of the accident observed that the point of impact is 121m from the base of cliff. How fast was the car traveling when it went over the cliff.
Iced tea is made by adding ice to 2.4 kg of hot tea, initially at 70?C. How many kg of ice, initially at 0?C, are required to bring the mixture to 10?C? (Lf = 3.33×105 J/kg, cw = 4,186 J/kg•? C)
A light ray enters a glass slab at point A at an angle of 57.6° with respect to the surface normal and then undergoes total internal reflection at point B. What minimum value for the index of refraction of the glass can be inferred from this?
A rotating cylinder about 16- {rm km} long and 6.8 -km in diameter is designed to be used as a space colony. With what angular speed must it rotate so that the residents on it would experience the similar acceleration because of gravity as on Eart..
How numerous forces act on the brick
Two tug boats are towing a ship. Each exerts a horizontal force of 5 tons and the angle between their towropes is 90 degrees. What net force is exerted on the ship?
A long, straight telephone cable contains six wires, each carrying a current of 0.300A, If the currents in all six wires are in the same direction, what is the magnitude of the magnetic field 2.70 m from the cable
A concave mirror has a focal length of 20 cm. A paraxial beam of light coming from a distant object forms its image at the focal point. compute where is the final image
Block A in Figure is given an initial velocity of 6 m/s up the incline. Declare of a block on a inclined plane.
Argon is a monatomic gas whose atomic mass is 39.9 u. The temperature of eight grams of argon is raised by 71 K under conditions of constant pressure. how much heat is required
Two 4.0 cm -diameter disks face each other, 1.5 mm apart. They are charged to +/- 13 nC. 1) What is the electric field strength between the disks?
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