Physics, 01.09.2019 10:20 jeanlucceltrick09
Aparticle moves along a straight line and its position at time t is given by
s(t)=2t^3−24t^2+90t t> =0 where s is measured in feet and t in seconds.
(b) use interval notation to indicate the time interval(s) when the particle is speeding up and slowing down.
(a) use interval notation to indicate the time interval or union of time intervals when the particle is moving forward and backward
Answers: 1
Physics, 21.06.2019 19:20
Describe the path of the electric current through a circuit?
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Physics, 22.06.2019 10:30
An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.
Answers: 2
Physics, 22.06.2019 15:30
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
Answers: 2
Physics, 22.06.2019 16:30
Using gravity, an elephant can pull a mouse towards it from the ground. true or false explain why. will give brainliest if answered fast and the best explanation
Answers: 2
Aparticle moves along a straight line and its position at time t is given by
s(t)=2t^3−24t^2+...
s(t)=2t^3−24t^2+...
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