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An engine takes 5 seconds to go from its idling speed of 600 rev/min to 1200 rev/min (a) What is it's angular acceleration? (b) How many revolutions does it make in this time period?
A bead of mass m = 6.00 kg is released from point A, Determine the net work done by the force of gravity in moving the bead from A to C
The tee shown in the sketch is rectangular and has 3 exit-entrances. The width is w. The height h is shown for each exit-entrance on the sketch.
A monochromatic light source used in a diffraction experiment has a wavelength of 4.60 x 10-7 m. What is the energy of this photon of light?
An unhappy rodent of mass 0.289kg , moving on the end of a spring with force constant 2.52N/m , is acted on by a damping force Fx=?b?vx. If the constant b has the value 0.894kg/s , what is the frequency of oscillation of the mouse
A small oxygen tank at a gauge pressure of 115 atm has a volume of 6.90 L at 20.0oC. If an athlete breathes oxygen from this tank at the rate of 9.00 L/min when measured at atmospheric pressure and the temperature remains at 20.0oC, how long will ..
Assume that Newton's law of universal gravitation can be applied to these two students and find the gravitational force (in Newtons) that one student exerts on the other when they are separated by 0.493 m. Consider entering the answer using scient..
You plan to project an inverted image 30.0 cm to the right of an object. You have a diverging lens with focal length -4.00 cm located 6.20 cm to the right of the object. What is the focal length of the second lens
Find the equation of the best quadratic approximation to y = ln x at x = 1. The best quadratic approximation has the same first and second derivatives as y = ln x at x = 1.
A factory employee pushes a 35 kilogram crate across the floor by applying a 600 N push at a 30o angle above the horizontal. Compute how much work does the friction do on the crate
In an experiment in physics class, a model solid-fueled rocket is fired vertically with an acceleration of 3 m/sec2 for 6 seconds. After that time, What is the maximum altitude the rocket reaches
A centrifuge in a medical laboratoryrotates at an angular speed of 3400rev/min. Find theconstant angular acceleration of the centrifuge
A 45 kilogram table can be pushed along the ground at a constant speed with a force of 170 Newton. Find the coefficient of friction between table and ground
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