Answers: 3
Physics, 21.06.2019 18:00
Awind turbine is initially spinning at a constant angular speed. as the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.173 rad/s2. after making 2870 revolutions, its angular speed is 132 rad/s. (a) what is the initial angular velocity of the turbine? (b) how much time elapses while the turbine is speeding up?
Answers: 1
Physics, 21.06.2019 19:00
When the velocity of an object is doubled, by what factor is its momentum changed? by what factor is its kinetic energy changed? a) the momentum is zero. b) the momentum is not zero. c) difficult to say.
Answers: 3
Physics, 21.06.2019 23:30
Awoman stands a distance d from a loud motor that emits sound uniformly in all directions. the sound intensity at her position is an uncomfortable 2.0×10-3 w/m2. at a distance 2.6 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?
Answers: 1
Physics, 22.06.2019 01:30
Afigure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 20.9 12000 200 3.33
Answers: 2
a 30 kg cart is travelling in a zero friction environment at a constant velocity of 5m/s. It's about...
Mathematics, 05.10.2019 16:30
History, 05.10.2019 16:30
Mathematics, 05.10.2019 16:30
Social Studies, 05.10.2019 16:30
Social Studies, 05.10.2019 16:30
History, 05.10.2019 16:30
Spanish, 05.10.2019 16:30
Arts, 05.10.2019 16:30
Mathematics, 05.10.2019 16:30
English, 05.10.2019 16:30