Physics, 22.01.2021 01:00, legrandschool1oxa0sd
If the only force acting on an object is friction during a given physical process, which of the following
assumptions must be made in regard to the object's kinetic energy?
a. The kinetic energy decreases.
b. The kinetic energy increases.
C. The kinetic energy remains constant.
d. The kinetic energy decreases and then increases.
Answers: 2
Physics, 21.06.2019 19:30, sariyamcgregor66321
Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies. molten iron has a density of 7.0g/cm cubed. in its solid state, iron has a density of 8.0g/cm cubed.
Answers: 3
Physics, 22.06.2019 10:00, mathscience9301
Which fact supports the conclusion that there will be fewer farm managers in the future? a) a farmer manager’s duties vary by the type of farm. b) farm technology is replacing some administrative jobs c) farm managers often need experience but not education. d) administrative duties include budgeting and training staff.
Answers: 2
Physics, 22.06.2019 12:00, P4thing
Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?
Answers: 3
If the only force acting on an object is friction during a given physical process, which of the foll...
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