Physics, 22.07.2019 23:30 igsgymnast
In the design of an amusement-park ride, the cars are attached to arms of length r = 25 m which are hinged to a central rotating collar which drives the assembly about the vertical axis with a constant angular rate ω = 0.34 rad/s. the cars rise and fall with the track according to the relation z = (h/2)(1-cos 2θ) where h = 6.8 m. find the r-, θ-, and ϕ-components of the velocity v of each car as it passes the position θ = 42°.
Answers: 3
Physics, 22.06.2019 17:30, ciaotaylor
Aball thrown by ginger is moving upward through the air. diagram a shows a box with a downward arrow. diagram b shows a box with an upward arrow. diagram c shows a box with a downward and upward arrow equal in size. diagram d shows a box with a downward and upward arrow with the downward arrow larger in size. which force diagram represents the forces on the ball? you may neglect the effects of air resistance.
Answers: 3
Physics, 22.06.2019 22:00, crystalclear99
Agirl throws a ball. if the ball's acceleration is 12 m/sec/sec and its mass is 0.5 kg, how much force did the girl apply to the ball?
Answers: 1
In the design of an amusement-park ride, the cars are attached to arms of length r = 25 m which are...
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