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Mechanics Help
A particle P is projected up a rough plane which is inclined at an angle of a to the horizontal where tan a=3/4. The coefficient of friction between the particle and the plane is 1/3. The particle is projected from the point A with speed 20 m/s an comes to instantaneous rest at point B.
Tan-1 (3/4) = 36.9
Show that while P is moving up the plane its deceleration is 13g/15.
I am completely lost on what to do.
Tan-1 (3/4) = 36.9
Show that while P is moving up the plane its deceleration is 13g/15.
I am completely lost on what to do.
R-10gcost 36.9
R= 10g cos 36.9
10gsin36.9 - 1/3 R =ma
Is that correct?
R= 10g cos 36.9
10gsin36.9 - 1/3 R =ma
Is that correct?
Distance AB = 23.5m(3sf)
time take from A>>>B =2.35s(3sf)
Find the speed of P when it returns to A, I have done the 2 bits in the middle, how do you do this last part?
time take from A>>>B =2.35s(3sf)
Find the speed of P when it returns to A, I have done the 2 bits in the middle, how do you do this last part?
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