At a construction site, a crane lifts an object to a certain height in 12 seconds and a second crane does the same work in 6 seconds. Compared to the power developed by the first crane, the power
developed by the second crane Is which of the following?
The same
Twice as much
One-half as much
Four times as much
Answers: 3
Physics, 21.06.2019 14:50
Ingrid wrote the hypothesis below. if the temperature of a liquid increases, the density of the liquid decreases because the particles move farther apart. what are the variables in her hypothesis?
Answers: 3
Physics, 22.06.2019 04:00
What is the scientific definition of energy that relates to work
Answers: 1
Physics, 22.06.2019 16:40
An owl dives toward the ground with a constant velocity of 4.40 m/s at 53.0Ā° below the horizontal. the sun is directly overhead and casts a shadow of the owl directly below it. what is the speed (in m/s) of its shadow on level ground?
Answers: 3
Physics, 22.06.2019 19:30
Petroleum contains energy. a. light b. kinetic c. chemical d. mechanical
Answers: 2
At a construction site, a crane lifts an object to a certain height in 12 seconds and a second crane...
History, 19.10.2019 02:00
Mathematics, 19.10.2019 02:00
Mathematics, 19.10.2019 02:00
History, 19.10.2019 02:00
History, 19.10.2019 02:00
History, 19.10.2019 02:00
Mathematics, 19.10.2019 02:00