Angle of inclination

  • #1
chrisridgwell
11
0
a car of mass 1000kg moves round a banked track at a constant speed of 108km/h. the reaction of the wheels is at right angles to the track, the horizontal radius is 100m. calculate the angle of inclination of the track.



Homework Equations


tan(theta)= V^2/rg



The Attempt at a Solution


108km/h = 30m/s
(theta)= Tan^-1(900/(100 x g))

im confused as to what g actually stands for
 

Answers and Replies

  • #2
Doc Al
Mentor
45,424
1,871
im confused as to what g actually stands for
g is the acceleration due to gravity; g ≈ 9.8 m/s².
 
  • #3
chrisridgwell
11
0
so the equation should read:
theta= tan^-1(900/(100x9.8))
 
  • #4
Doc Al
Mentor
45,424
1,871
Yes.
 
  • #5
chrisridgwell
11
0
Thankyou very much, im sure i will return
 

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