Physics, 23.03.2020 04:03 walkerrwilson
4. Johnny exerts a 3.55 N rightward force on a 0.200-kg box to accelerate it across a low-friction track. If the total resistance force to the motion of the cart is 0.52 N, then a) What is the box's acceleration? b) What is the gravitational force? c) What is the normal force?
Answers: 3
Physics, 22.06.2019 21:00
The amount of work done is determined by 2 factors. describe an example of work (using the scientific definition) list the 2 factors that determine the amount of work done.
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Physics, 22.06.2019 22:00
Ihave this 50 question test the layer of earth's atmosphere where atoms and molecules escape into space is referred to as the a) exosphere b) ionosphere. c) mesosphere d) thermosphere
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Physics, 23.06.2019 20:00
In which situation is maximum work considered to be done by a force? a. the angle between the force and displacement is 180°. b. the angle between the force and displacement is 90°. c. the angle between the force and displacement is 60°. d. the angle between the force and displacement is 45°. e. the angle between the force and displacement is 0°.
Answers: 2
Physics, 23.06.2019 21:30
(a) calculate the activation energy, qv, for vacancy formation in silver, given that the equilibrium number of vacancies at 1073k is 3.6 x 1023 m-3. the atomic weight and density (at 1073k) of for silver are, respectively, 107.9 g/mol and 9.5 g/cm3.
Answers: 2
4. Johnny exerts a 3.55 N rightward force on a 0.200-kg box to accelerate it across a low-friction t...
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