Physics, 25.10.2019 02:43, safi30360oz0c34
A5.0-kg penguin sits on a 10-kg sled. a horizontal force of 45n is applied to the sled, but the penguin attempts to impede themotion by holding onto a cord attached to a wall. the coefficientof kinetic friction between the sled and snow as well as thatbetween the sled and the penguin is 0.20. (a) draw a free-bodydiagram for the penguin and one for the sled, and identify thereaction force for each force you include. determine (b) thetension in the cord and, (c) the acceleration of the sled.
Answers: 1
Physics, 22.06.2019 06:30, kdfawesome5582
Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.
Answers: 2
Physics, 22.06.2019 15:10, Bgreene2377
Suppose that f : rn → rm and that a ∈ k, where k is a connected subset of rn . suppose further that for each x ∈ k there exists a δx > 0 such that f(x) = f(y) for all y ∈ bδx (x). prove that f is constant on k; that is, f(x) = f(a) for all x ∈ k
Answers: 1
A5.0-kg penguin sits on a 10-kg sled. a horizontal force of 45n is applied to the sled, but the peng...
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