A turbine blade rotates with angular velocity ω (t) = 8.00 rad/s - 0.20 rad/s3 t 2. what is the angular acceleration of the blade at t = 6.8 s?

An object moving with a speed of 35 meters per second has a kinetic energy of 1500 joules. What is the mass of the object?

What was noticed about the shape of coastlines by sailors as early as the sixteenth century?

An object accelerating straight down toward the center of the earth is said to be in free-fall due to the force of

Which factors will cause an increase in the speed of a sound wave? Check all that apply. a change from liquid water to water vapor a change from water vapor to liquid water a change from liquid water to solid water a decrease in the temperature of

What is the primary reason that we launch x-ray telescopes into space rather than building them on the ground?

Steam at 700 bar and 600 oC is withdrawn from a steam line and adiabatically expanded to 10 bar at a rate of 2 kg/min. What is the temperature of the steam that was expanded, and what is the rate of entropy generation in this process

Which data set has the largest range? A. 8, 9, 1, 2, 3, 4 B. 5, 6, 4, 5, 6, 4 C. 1, 5, 2, 4, 3, 5 D. 3, 9, 5, 7, 3, 6

Sam threw a stone horizontally at a speed of 5m/s from a 9.8 m tall building. how much time does the stone take to hit the ground?

Suppose a cylindrical habitat in space 6.80 km in diameter and 24 km long has been proposed. Such a habitat would have cities, land, and lakes on the inside surface and air and clouds in the center.

Which option describes nonmetals? a. They conduct heat efficiently. b. They are good for making into wires. c. They are used to make machinery. d. They conduct electricity poorly.