Physics, 27.03.2020 09:28 brokegirlyy
A ball is dropped from rest at height of 20m. If it loses 25% of its kinetic energy when it strikes the ground. What is the height to which it bounces?
Answers: 2
Physics, 22.06.2019 04:00, zoepatterson1p0lij1
When an object is heated it contracts. a. true b. false
Answers: 2
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, 23.06.2019 03:30, allieeastridge
Select the correct lewis structure for fluorine which is group 7a element?
Answers: 1
Physics, 23.06.2019 08:40, arilions
Ascientist is working with a new kind of quantum dot to make a dye. he is applying newton’s laws to the particle, but it seems to be breaking these laws of physics. which action will most likely the scientist study the particle’s motion? a. he needs to remember that the particle is too large for quantum analysis. b. he must continue to use newtonian mechanics, but he needs to learn more about the particle. c. he needs to use quantum mechanics, not newtonian mechanics, because this is a nanotechnology product. d. he must determine new physical laws that only apply to quantum dots.
Answers: 1
A ball is dropped from rest at height of 20m. If it loses 25% of its kinetic energy when it strikes...
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