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A circular saw blade 0.250m in diameter starts from rest. In 7.50s , it reaches an angular velocity of 140rad/s with constant angular acceleration.
Part A Find the angular acceleration and the angle through which the blade has turned in this time.
Due to the nature of the wastewater, the engineer wants to target the high end of this range. Find the proper diameter pipe to the nearest 2” (e.g., 2”, 4”, 6”, 8”, 10”, etc.) to achieve this design objective.
A vessel contains 32 grams of dry ice (solid carbon dioxide) at T = -78°C, How much energy is required for the carbon dioxide to sublimate
q1. a 59-g ice cube at 0degc is heated until 52 g has become water at 100degc and 7.0 g has become steam at 100degc.
You break a piece of Styrofoam packing material, and it releases lots of little spheres whose electric charge makes them stick annoyingly to you. what's the magnitude of the charge on each
An exoplanet with a mass of 5 times the mass of Jupiter and a radius of 2 Jupiter radii orbits a 3 solar mass star a distance of 10 AU from the star. estimate the orbital velocities of the star and the planet
The 20-g centrifuge at NASA's Ames Research Center in Mountain View, Determine the rotation rate, in revolutions per second, required to give the astronaut a centripetal acceleration of 19.8g
question1the unique temperature of the water in the large bowl was 25degc. the temperature of a molecule that changes
An 8.7 hour trip is made at an average speed of 73 km/hr. If the first third of the trip (chronologically) was driven at 96.5 km/hr, what was the average speed for the rest of journey.
the escape speed starting from the surface of the earth is 11.2 km/s(neglecting any effects of the earth's orbital motion, what would be the escape speed from that planet
What is distance of a sample of blood from the rotation axis
A solid spherical ball of mass 1.3 kg and radius 0.15 m rolls along a smooth, level surface with a speed of 2 m/s. How far up the plane does the ball go
A ray of light, traveling in air, strikes the surface of mineral oil at an angle of 23.4? with the normal to the surface. what is the angle of refraction
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