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A partially loaded passenger car has a mass of 1600 kg. It has fully independent suspension in which each front spring has a stiffness of 19.0 kNm-1 and each rear spring has a stiffness of 17.0 kNm-1.
The car has a wheelbase of 2.9 m and the centre of gravity is 1.6 m in front of the rear wheels. The radius of gyration of the sprung mass about a horizontal transverse axis through the centre of gravity is 0.95 m.
Model the car as a linear, undamped, 2 degree of freedom system, ignoring tyre stiffness, and calculate:
(a) The natural frequencies for the two modes of vibration.
(b) The positions of the pitch centres for each of these modes relative to the centre of gravity.
John has a choice of using one of two parking garages when he visits downtown: Option1: $8 an hour for the first two hours, then $2 and hour for each hour more than 2; or Op
If secA= x+1/4x, prove that secA+tanA=2x or 1/2x. Ans: Sec? = x + 1/4x ⇒ Sec 2 ? =( x + 1/4x) 2 (Sec 2 ?= 1 + Tan 2 ?) Tan 2 ? = ( x +
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A painter leans a 10-foot ladder against the house she is to paint. The foot of the ladder is 3 feet from the house. How far above the ground does the ladder touch the house? Appro
Critical Point Definition : We say that x = c is a critical point of function f(x) if f (c) exists & if either of the given are true. f ′ (c ) = 0 OR f ′ (c
three years ago,Rica was thrice as old as dandy.Three years hence,she will be twice as old.Find their present.
the ratio of dogs to cats is 2 to 9.if there are 10 dogs how many cats are there?
Product Rule: (f g)′ = f ′ g + f g′ As with above the Power Rule, so the Product Rule can be proved either through using the definition of the derivative or this can be proved
r=asin3x
make an assignment based on congruence of triangle
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