Physics, 23.01.2020 18:31, skylastrusz7643
Aboy and his dog are out for a morning excursion to the river, whichis located 4.0 km away. the boy walks briskly at 2.0 m/s in a straight line. the dog isunleashed and runs back and forth at 4.5 m/s between the boy and the river, until bothreach the river. what is the distance run by the dog?
Answers: 3
Physics, 22.06.2019 13:20, monkeygaming274
Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.
Answers: 1
Aboy and his dog are out for a morning excursion to the river, whichis located 4.0 km away. the boy...
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