Physics
Physics, 03.07.2019 19:00, Izzyfizzy

A500-kg elevator is raised to a height of 20 m in 10 seconds. calculate the power of the motor. a) 98,000 w b) 9,800 w c) 2,500 w d) 1000 w

answer
Answers: 1

Other questions on the subject: Physics

image
Physics, 22.06.2019 10:40, corrineikerd
When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is
Answers: 2
image
Physics, 22.06.2019 16:00, Andrebutrus
The field between two charged parallel plates is kept constant. if the two plates are brought closer together, the potential difference between the two plates either a) decrease b) does not change c) increase?
Answers: 3
image
Physics, 22.06.2019 16:20, jmackenzie7
How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit
Answers: 2
image
Physics, 22.06.2019 22:30, ElmerRamirez
Suppose astronomers built a 140-meter telescope. how much greater would its light-collecting area be than that of the 10-meter keck telescope? express your answer using two sign
Answers: 3
Do you know the correct answer?
A500-kg elevator is raised to a height of 20 m in 10 seconds. calculate the power of the motor. a) 9...

Questions in other subjects: