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Q1. An electric circular saw is designed to reach its final angular speed, starting from rest, in 1.40 s. Its average angular acceleration is 370 rad/s2. Find its final angular speed.
Q2. A centripetal force of 270N acts on a 1,000kg satellite moving with a speed of 5,000m/s in a circular orbit around a planet. What is the radius of its orbit?
Q3. An oil drop whose mass is determined to be 3.3x10^-15 is held at rest between two large plates separated by 1cm while the potential difference between them is 340 V. How numerous excess electrons does this have here?
What portion of jet power lost to producing sound Powdered steel is placed in a container
A 3.60-{rm m}-long, 430 {rm kg} steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 66.0 {rm kg} construction worker stands at the far end of the beam. What is the magnitude..
How numerous forces act on the brick
How much time is necessary to catch the car
Assume that each person is about the similar distance from the center of the field and can generate the same level of sound intensity. How numerous people are at the game.
What is the speed of crate hit ground
What is the minimum coefficient of friction that will prevent sliding. What should be the highest speed of the car so it can round the curve safely.
What should be the minimum initial speed of the dart so that combination makes a complete circular loop after the collision. find the minimum diameter of the raft that would prevent the diamond from being seen.
You (height of your eyes above the water, 1.75) are standing 2.00 from the edge of a 2.50--deep swimming pool. You notice that you can barely see your cell phone, that went missing a few minutes before, on the bottom of the pool.
Potassium iodide has an interplanar spacing of d = 0.296 nm. A monochromatic X-ray beam shows first-order diffraction maximum while the grazing angle is 7.8°. Compute the X-ray wavelength λ .
What is mechanical energy dissipated by resistive forces
What is pressure in the cylinder
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