Physics, 14.11.2019 01:31 zahriamarie10
A2 200-kg pile driver is used to drive a steel i-beam into the ground. the pile driver falls 4.20 m before coming into contact with the top of the beam, and it drives the beam 14.0 cm farther into the ground before coming to rest. using energy considerations, calculate the average force the beam exerts on the pile driver while the pile driver is brought to rest.
Answers: 1
Physics, 21.06.2019 15:00, mdaniella522
The functioning of an electron transport chain is analogous to a) a slinky toy going down a flight of stairs. b) a canoe going over a waterfall. c) a person climbing a flight of stairs one step at a time. d) a person leaping from the top to the bottom of a flight of stairs in one jump.
Answers: 2
Physics, 22.06.2019 10:10, natalieagustinlop54
Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.
Answers: 2
Physics, 22.06.2019 16:20, adiafloresp2dkbx
Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius
Answers: 1
A2 200-kg pile driver is used to drive a steel i-beam into the ground. the pile driver falls 4.20 m...
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