Physics, 21.12.2019 23:31 ZenmasterZack
Aconstant horizontal pull acts on a sled on a horizontal frictionless ice pond. the sled starts from rest. when the pull acts over a distance x, the sled acquires a speed v and a kinetic energy k. if the same pull instead acts over twice this distance:
Answers: 3
Physics, 22.06.2019 19:00
Friction removes energy from objects in motion. which statement best describes how this works? a) friction transforms ke into thermal energy b) friction transfers thermal energy to ke c) friction transforms te into pe d) friction transforms pe into ke e) friction transfers ke into pe
Answers: 1
Physics, 22.06.2019 21:00
How is the acceleration of an object in uniform circular motion constant? a - in magnitude only b - in direction only c - in both magnitude and direction d - in magnitude, direction & orientation
Answers: 3
Physics, 23.06.2019 02:00
Which statement describes the formation of our sun? a disk formed of long trails of stars coiled into a spiral. it formed an elliptical flattened disk. heat and gases contracted within a nebula. gravity pushed stars away from a center core.
Answers: 1
Aconstant horizontal pull acts on a sled on a horizontal frictionless ice pond. the sled starts from...
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