Let us model the illustrated crusher as a planar mechanism that is subjected to the pushing force p on the lower "l-shaped" handle, i. e. link cde. note that link cde is one solid piece, pinned at d and e. knowing that the orange horizontal member a b has a square peg at a that slides vertically in the slot on the blue frame, that the can is centered under the pin at b and that p = 40 n, θ = 10 o , ϕ = 10 o , a = 75 mm, b = 235 mm, c = 80 mm, and d = 15 mm, determine the force magnitude f in n exerted on the can from the mechanism.

Which of the following explains why it took so long for the public to accept the negative health effects of smoking? a)people were waiting for counter reasons, and those were presented. b)scientists had not completely finalized their results, which took 30 years. c)cigarettes were cheaply available and media channels were very inefficient. d)cigarette manufacturers were trying hard to bring an alternative into the market

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

Astudent throws a water balloon with speed v0 from a height h = 1.76 m at an angle θ = 21° above the horizontal toward a target on the ground. the target is located a horizontal distance d = 9.5 m from the student’s feet. assume that the balloon moves without air resistance. use a cartesian coordinate system with the origin at the balloon's initial position. (a) what is the position vector, rtarge t, that originates from the balloon's original position and terminates at the target? put this in terms of h and d, and represent it as a vector using i and j. (b) in terms of the variables in the problem, determine the time, t, after the launch it takes the balloon to reach the target. your answer should not include h. (c) create an expression for the balloon's vertical position as a function of time, y(t), in terms of t, vo, g, and θ. (d) determine the magnitude of the balloon's initial velocity, v0, in meters per second, by eliminating t from the previous two expressions.