Physics, 15.12.2020 01:00 rowandohnalek
A wrench dropped by a worker at the top of a skyscraper falls past Charlie at a speed of 20 m/s. Maya is working 15 m below Charlie. How fast is the wrench moving when it falls past Maya?
Answers: 1
Physics, 22.06.2019 04:30
Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j
Answers: 1
Physics, 22.06.2019 05:30
Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.
Answers: 1
Physics, 22.06.2019 11:30
If forces acting on an object are unbalanced. true or false
Answers: 1
A wrench dropped by a worker at the top of a skyscraper falls past Charlie at a speed of 20 m/s. May...
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