Answers: 1
Physics, 21.06.2019 22:20, CM0
Acave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. the lift is performed in three stages, each requiring a vertical distance of 11.0 m: (a) the initially stationary spelunker is accelerated to a speed of 4.80 m/s; (b) he is then lifted at the constant speed of 4.80 m/s; (c) finally he is decelerated to zero speed. how much work is done on the 78.0 kg rescue by the force lifting him during each stage
Answers: 2
Physics, 22.06.2019 11:00, dragon2565
Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good
Answers: 1
Physics, 22.06.2019 11:30, tommyaberman
You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?
Answers: 2
Which graph best represents the relationship between wave amplitude and wave energy
...
...
Mathematics, 20.11.2020 07:20
Mathematics, 20.11.2020 07:20
History, 20.11.2020 07:20
Mathematics, 20.11.2020 07:20