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A centrifuge in a medical laboratory rotates at an angular speed of 3400 rev/min. When switched off, it rotates 46.0 times before coming to rest. Find the constant angular acceleration of the centrifuge.
A tank having a volume of 0.10 m3 contains helium gas at 155 atm. How many balloons can the tank blow up if each filled balloon is a sphere 0.30 -m in diameter at an absolute pressure of 1.3 atm.
Originally, light is unpolarized. It then travels through 3 polarizers: the first with its transmission axis aligned vertical, What is the intensity of light after the third polarizer
What is the decibel level required for human perception
Avoiding air resistance, what is the magnitude of the total velocity of the package at the moment it is thrown as seen by an observer on the ground? Answer in units of m/s.
An electric dipole consists of charges +2e and -2e separated by 0.78nm. It is in an electric field of strength 3.4 x 106 N/C. Calculate the magnitude of the torque on the dipole
A hotel elevator ascends 190 m with a least speed of 4.0 m/s. Its acceleration and deceleration both have a magnitude of 1.4 m/s2.
An archer shoots an arrow horizontally at the target 14 m away. The arrow is aimed directly at the center of target, but it hits 59 cm lower.
A glass soda bottle is emptied of soda and filled to the very top with water. A cork is carefully fitted into the top of the bottle, leaving no air between the cork and the water.
A proton is shot at 5 × 107 m/s toward a gold atom, with a mass 197 times that of the proton, What is the recoil speed of the gold nucleus
In a series R-L-C circuit, R = 320? , XC = 260? and XL = 600? . The average power consumed in the resistor is 60.0W. What is the rms voltage of the source
A set of coupled pendula has m = 0:2kg for both masses, but k and l are unknown. At t = 0, the left hand mass is held at xL = 2:5cm and the right hand mass is held at xR = 0, Find the approximate values of k and l
You travel to an alien planet. The local population tries very hard to tell you what gravity is on the surface. You cannot understand them, and do not have a tool to calculate gravity directly. You also ran out of water. They offer a liquid to you, o..
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