 , 03.12.2019 08:10

# 30 points part one: a crate is pulled by a force (parallel to the incline) up a rough incline. the crate has an initial speed shown in the figure below. the crate is pulled a distance of 5.59 m on the incline by a 150 n force. the acceleration of gravity is 9.8 m/s^2 a) what is the change in kinetic energy of the crate? answer in units of j. part two: b.)what is the speed of the crate after it is pulled the 5.59 m? answer in units of m/s.   ### Another question on Physics Physics, 31.01.2019 22:16
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To understand the electric potential and electric field of a point charge in three dimensions consider a positive point charge q, located at the origin of three-dimensional space. throughout this problem, use k in place of 14? ? 0. part adue to symmetry, the electric field of a point charge at the origin must point from the origin.answer in one word.part bfind e(r), the magnitude of the electric field at distance r from the point charge q.express your answer in terms of r, k, and q. part cfind v(r), the electric potential at distance rfrom the point charge q.express your answer in terms of r, k, and q part dwhich of the following is the correct relationship between the magnitude of a radial electric field and its associated electric potential ? more than one answer may be correct for the particular case of a point charge at the origin, but you should choose the correct general relationship. a)e(r)=dv(r)drb)e(r)=v(r)rc)e(r)=? dv(r)drd)e(r)=? v(r)r Physics, 30.01.2019 22:04
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30 points
part one:
a crate is pulled by a force (parallel to the
incline) up a...
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