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A machine part rotates at an angular speed of 0.44 rad/s; its speed is then increased to 1.5 rad/s at an angular acceleration of 0.78 rad/s2. Find the angle through which the part rotates before reaching this final speed.
A ray of light is incident from the air onto the surface of a diamond (n=2.42) at a 30 degree angle to the normal, calculate the speed of light in the diamond
A small remote-control car with a mass of 1.60 kg moves at a constant speed of v = 14.0 m/s in a vertical circle inside the hollow metal cylinder that has the radius of 5.00 m.
An inductor of 219 mH with a resistance of 6 O is connected to a power supply with a maximum voltage of 219 V and a frequency of 69 Hz. Find the power loss in the inductor
An unstable atomic nucleus of mass 1.62x^10-26 kg initially at rest disintegrates into three particles. One of the particles, of mass 5.02x10^-27 kg, moves in the y direction with a speed of 6.00x10^6 m/s. Another particle, of mass 8.44x10^-27 kg,..
Two workers are moving a slab of ice (m = 410 kg) across the factory floor. As seen from above, one worker exerts a force of 255 N at an angle of -50o, At what angle does the ice slab accelerate
100.0 W tungsten filament bulb generates 95.0 W of heat, which dissipated through glass bulb which has radius of 3.00 cm and 0.500 mm thick. If thermal conductivity of glass is 0.836 W/m°C, determine difference in temp. between inner and outer sur..
A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 56 dB by an observer 10 km away. What is the average power generated by the horn
After working really hard on a hot day a third tuning fork is used with a frequency of 1053 Hz, and the distance between the 1st and 3rd standing wave created is 33.0 cm, what is the temperature of the air in this pipe
A 12uF capacitor a 10Kohms resistor a 20.0 volt battery and a switch are all connected in a series , find the voltage on the capacitor after three time constants
A small magnet of length 7.1 cm is placed at an angle of 80 degree to the direction of uniform magnetic field of magnitude 0.01 T. The observed torque has a magnitude of 0.07 N m. Find the magnetic moment of the magnet.
A lens of focal length 15.0 cm is used to create an image of the Full Moon. What is diameter of the image? The Moon's radius and average distance from Earth are 1.74× 106m and 3.85× 108 m, respectively
A submarine dives to a depth of 310 feet in the ocean. What is the gauge pressure at this depth? How many atmospheres is this
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