no work is accomplished in which of the following situations?
Physics, 17.10.2019 15:30 jcross11nate
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no work is accomplished in which of the following situations?
a boy carried a 4.0-newton box 3.0 meters across the room at a constant velocity.
a boy pushes on a box weighing 4.0 newtons and it doesn't move.
a boy lifts a 4.0-newton box to a height of 1.0 meter.
Answers: 2
Physics, 21.06.2019 18:00
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, 22.06.2019 13:20
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
Select all that apply.
no work is accomplished in which of the following situations?
no work is accomplished in which of the following situations?
Physics, 03.07.2019 01:20