Civil Engineering - Highway Engineering - Discussion

Discussion Forum : Highway Engineering - Section 6 (Q.No. 39)
39.
If brakes of vehicles are effective, the vehicle-running at 30 km/hour comes to a stop in
10 metres
12 metres
15 metres
18 metres
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
18 comments Page 2 of 2.

Chhaya said:   8 years ago
Here, s = V2/2gf.

Where V in m/s and F = 0.35,
Answer is 10.11.

Krushna Akotkar said:   5 years ago
F = u^2/29*L
L = 8.33*2/19*0.2 = 11.96~12m.

Assume f = .20.
(2)

Murali said:   8 years ago
Option A is correct. s=((v*v)/(2gf)).
S = 10.11.

Nisar said:   6 years ago
Stopping dist.= (0.2 *vb+6).
= (0.2*30+6) = 12.
(1)

Arsh said:   9 years ago
@Arpyit.

For speed 30km/hr, the Coeff = 0.4.
(1)

Dhruba said:   8 years ago
What is the formula to calculate the answer?

Thakur791 said:   7 years ago
8.33^2/2 * .30 * 9.81,
= 11.78~~12.

Naina said:   7 years ago
It's V coefficient.


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