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Question:
A centrifuge rotor is accelerating for 55 seconds from rest to 35,500 revolutions per minute.
(a) What is the average angular acceleration?
(b) through how many revolutions has the centrifuge rotor turned during its acceleration period, assuming constant angular acceleration?
A 560 turn solenoid, 25 cm long, has a diameter of 3.0 cm. A short 18 turn coil is wound tightly around the center of the solenoid. what will be the induced emf magnitude in the short coil during this time
q1. two trains each having a speed of 28 kmh are headed at each other on the similar straight track. a bird that can
A jellyfish is floating in a water filled aquarium 1.00 m behind a flat pane of glass 6.00 cm thick having an index of refraction of 1.50. a) Where is the image of the jellyfish located?
Two very small objects, whose charges are +1.0 and -1.0 C, Find the magnitude of the attractive force that either charge exerts on the other
A generator uses a coil that has 140 turns and a 0.50-T magnetic field. The frequency of this generator is 60.0 Hz, and its emf has an rms value of 120 V. assume that each turn of the coil is a square (an approximation), find out the length of the..
A stone is thrown up at an angle 34.7° above horizontal rind 5.41s later; it reaches the highest point of its trajectory. What is the magnitude of the launching velocity
An archeological specimen containing 9.2 g of carbon has an activity of 1.6 Bq. How old (in years) is the specimen
An indestructible bullet 2.00 cm long is fired straightthrough a board that is 10.0 cm thick. What is the average acceleration of thebullet through the board
a rock is dropped into a deep hole and 2.5 s later the sound of striking the bottom is heard. if the speed of sound is
Tiger Woods hits a golf ball off grass into a lake. The splash of the ball is 145 meters away from where it was hit. What is the magnitude of the initial velocity of the ball
A snowboarder starts from rest and rides 39.47 m down a snow-covered slope that makes an angle of 33.19° with the horizontal, How far will she travel along the flat snow
The interaction potential energy, U, between two atoms is shown in the figure at the right as a function of the distance separating them, r. The units chosen (eV - electron Volts - for energy, nanometers for distance) are common in describing the mot..
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