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Assume no air friction and
assume that a 50 kg skater on level ice has built up her speed to 30km/hr.how far will she coast before the sliding friction
3 answers
asked by
chingtham
1,747 views
With friction turned on, set the initial velocity of the box to 1.75 m/s, the coefficient of friction to 0.60, and the mass to
1 answer
asked by
Anonymous
510 views
What is the minimum work needed to push a 900 kg car 460 m up along a 17.5° incline?
(a) Ignore friction. (b) Assume the
4 answers
asked by
greg
955 views
What is the minimum work needed to push a 1075 kg car 230 m up along a 17.5° incline?
(a) Ignore friction. (b) Assume the
1 answer
asked by
Hope
486 views
What is the minimum work needed to push a 1050 kg car 460 m up along a 17.5° incline?
(a) Ignore friction (b) Assume the
4 answers
asked by
Jen
805 views
What is the minimum work needed to push a 900 kg car 890 m up along a 7.5 degree incline?
(a) ignore friction (b) Assume the
1 answer
asked by
amy
682 views
A car engine has 90 kW and an efficiency of 12 percent. Let's assume a simple model of air friction, Fair=Kv2 , with K=027kgm
0 answers
asked by
Layla
480 views
Consider again the airfoil of the previous question.
What is the skin friction coefficient if we assume that the boundary layer
1 answer
19 views
A car of mass m is going around a circular turn of radius R, which is banked at an angle β with respect to the ground. Assume
0 answers
asked by
simon
904 views
What is the minimum work needed to push a 800 kg car 860 m up along a 9.0 degree incline? Ignore friction. Then assume the
3 answers
asked by
Anonymous
981 views