Physics, 30.10.2019 22:31 heroicblad
Rockfalls can cause major damage to roads and infrastructure. to design mitigation bridges and barriers, engineers use the coefficient of restitution to model the behavior of the rocks. the rock a falls a distance of 26 m before striking an incline with slope α = 40°. knowing that the coefficient of restitution between a and the incline is 0.2, determine the velocity of the rock after the impact.
Answers: 1
Physics, 21.06.2019 21:40
Since the investigative question has two variables, you need to focus on each one separately. thinking only about the first part of the question, mass, what might be a hypothesis that would illustrate the relationship between mass and kinetic energy? use the format of "if…then…because…” when writing your hypothesis.
Answers: 1
Physics, 22.06.2019 08:50
You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?
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Physics, 23.06.2019 00:50
which statements describe the image? check all that apply.the wood is releasing argon gas.this information is useful for dating ancient rock.the process works only with organic matter.the element has a half-life of 5,730 years.this shows the half-life of carbon-19.
Answers: 1
Physics, 23.06.2019 07:30
The electric field inside a battery generates an electric potential difference of 12v. the plates are seperated by a distance of 0.25m. what strength of the electric field?
Answers: 3
Rockfalls can cause major damage to roads and infrastructure. to design mitigation bridges and barri...
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