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Find the required angular speed, omega, of an ultracentrifuge for the radial acceleration of a point 3.00cm from the axis to equal 4.00×105 g (where g is the acceleration due to gravity). Express your answer numerically in revolutions per minute.
A 7.80-g bullet moving at 560 m/s penetrates a tree trunk to a depth of 5.2 cm. Use work and energy considerations to find the average frictional force that stops the bullet
What is the total mass of the reagents used in the combustion throughout the 30 days . The ball makes 17 oscillations in 16 seconds. What is it the mass of the ball.
A proton accelerates from rest in a uniform electric field of 690 N/C. At one later moment, its speed is 1.30 Mm/s, Find the acceleration of the proton
When the Sun is straight overhead, a hawk dives toward the ground with the constant velocity of 4.50 m/s at 52° below the horizontal. Compute the speed of her shadow on the level ground.
A mass m equals 4 kg on a slanted surface theta equals 30 degrees. A light rigid cord runs from mass m to pully beta equals 1/2 and Mass of pully equals 2 kg which is free to rotate with negligible axial friction.
If the bee walks on the stick with a speed of 1.44 cm/s relative to the still water, what is the speed of the stick relative to the water
A unifrom rod of length L = 2.00 and mass m = 1.10 kg is attached to a frictionless pivot through one of its ends. Find the linear speed of the tip of the rodas it passes through the vertical
q1. a cord is used to vertically lower an initially stationary block of mass m kg at a constant downward acceleration
An elevator at the CN Tower in Toronto, Canada, What is the minimal power required for the motor of the elevator
Consider a series RLC circuit with R = 15 , L = 190 mH, C = 75 µF, and a maximum voltage of 142 V. What is the impedance of the circuit at resonance
An earth satellite moves in a circular orbit with an orbital speed of 6200 m/s. Find the time of one revolution of the satellite
The wavelength of characteristic x-rays in the K? line from a particular source is 0.07970 nm. Determine the material in the target
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