Physics, 13.06.2020 18:57, gemiegenial15
A cement block accidentally falls from rest from the ledge of a 55.2-m-high building. When the block is 12.2 m above the ground, a man, 1.80 m tall, looks up and notices that the block is directly above him. How much time, at most, does the man have to get out of the way
Answers: 3
Physics, 21.06.2019 18:00, kadinmorgan
Aproton is projected toward a fixed nucleus of charge +ze with velocity vo. initially the two particles are very far apart. when the proton is a distance r from the nucleus its velocity has decreased to 1/2vo. how far from the nucleus will the proton be when its velocity has dropped to 1/4vo?
Answers: 3
Physics, 21.06.2019 22:50, sarahfsakrani
Aplane takes off from an airport and flies to town a, located d1 = 215 km from the airport in the direction 20.0° north of east. the plane then flies to town b, located d2 = 230 km at 30.0° west of north from town a. use graphical methods to determine the distance and direction from town b to the airport. (enter the distance in km and the direction in degrees south of west.)
Answers: 2
A cement block accidentally falls from rest from the ledge of a 55.2-m-high building. When the block...
Chemistry, 17.12.2019 03:31
Physics, 17.12.2019 03:31
Chemistry, 17.12.2019 03:31