Physics, 22.10.2020 22:01 MendesMist
8.Kara pushes her big brother on a swing at the playground. After he gets off the swing, her little brother gets on. Kara finds that it is easier to push her little brother than it was to push her big brother. What is the MOST LIKELY reason for this?*
A. a smaller Mass always moves faster than a larger Mass
B. a smaller Mass always move slower than a larger Mass
C. less force is needed to move a larger Mass the same distance
D. more force is needed to move a larger Mass the same distance
Answers: 1
Physics, 21.06.2019 18:00
1. in terms of fuel economy rank the following hybrid and electric vehicles, and justify application specific to each hybrid technology stop/start | mild hybrid | full hybrid | plug-in hybrid | full electric a. rank based on fuel economy b. justify your application specific for each technology
Answers: 3
Physics, 21.06.2019 20:20
Suppose that a comet that was seen in 563 a.d. by chinese astronomers was spotted again in year 1951. assume the time between observations is the period of the comet and take its eccentricity as 0.986. what are (a) the semimajor axis of the comet's orbit and (b) its greatest distance from the sun?
Answers: 1
Physics, 22.06.2019 14:30
Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.
Answers: 2
8.Kara pushes her big brother on a swing at the playground. After he gets off the swing, her little...
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