subject
Physics, 20.07.2019 19:30 emma4113

The motor of a crane uses power p to lift a steel beam. by what factor must the motor's power increase to lift the beam twice as high in half the time?

ansver
Answers: 1

Another question on Physics

question
Physics, 21.06.2019 17:00
Ajogger accelerates from rest to 4.86 m/s in 2.43 s. a car accelerates from 20.6 to 32.7 m/s also in 2.43 s. (a) find the magnitude of the acceleration of the jogger. (b) determine the magnitude of the acceleration of the car. (c) how much further does the car travel than the jogger during the 2.43 s?
Answers: 2
question
Physics, 22.06.2019 04:00
What is the final velocity of the initial velocity of 25 and -50?
Answers: 2
question
Physics, 22.06.2019 10:10
Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.
Answers: 1
question
Physics, 22.06.2019 12:30
Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.
Answers: 1
You know the right answer?
The motor of a crane uses power p to lift a steel beam. by what factor must the motor's power increa...
Questions
question
Mathematics, 13.07.2020 19:01
question
Physics, 13.07.2020 19:01
question
Mathematics, 13.07.2020 19:01