Physics, 15.09.2019 05:10, anthonyfr10004
What do microwaves and x-rays have in common? they are visible. they are mechanical waves that require a medium. they are part of the electromagnetic spectrum. they carry sound.
Answers: 1
Physics, 21.06.2019 18:00, Pumpkinputters
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, dasiaflowers85
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, 22.06.2019 06:00, nicollexo21
Using a pedometer, you walk 3000 steps in 20 minutes, so your speed is 150 steps/min. each of your steps is 0.7 m long. what is your speed? 150 steps/min=/s=/h
Answers: 1
What do microwaves and x-rays have in common? they are visible. they are mechanical waves that requ...
Mathematics, 04.04.2020 11:26
Mathematics, 04.04.2020 11:26
Mathematics, 04.04.2020 11:26
Mathematics, 04.04.2020 11:27