Physics, 24.06.2019 18:10 itskarmaboo
Determine the minimum length (in ft) of a sag vertical curve if the grades are −6 percent and +3 percent. design speed is 60 mi/h. consider the following criteria—stopping sight distance, comfort, and general appearance. (assume the perception-reaction time is 2.5 seconds, deceleration rate is 11.2 ft/s2, and the sight distance is less than the length of the curve.)
Answers: 1
Physics, 22.06.2019 15:00, rosehayden21
A10 kg box initially at rest is pulled 18 meters across a horizontal, frictionless surface by a 40 n force. what is the block’s final velocity over the 18 meters?
Answers: 2
Physics, 22.06.2019 16:00, StayPuftMarshadowMan
Frank just graduated from eighth grade. assuming exactly four years from now he will graduate from high school how many seconds does he have until his high school graduation
Answers: 2
Physics, 23.06.2019 02:20, MathWizz5104
Ahole in the ground in the shape of an inverted cone is 14 meters deep and has radius at the top of 11 meters. the cone is filled to the top with sawdust. the density of the sawdust depends upon the depth, x, following the formula ρ ( x ) = 2.5 + 1.2 e − 0.7 x kg/m3. find the total mass of sawdust in the conical hole.
Answers: 1
Determine the minimum length (in ft) of a sag vertical curve if the grades are −6 percent and +3 per...
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