Civil and Environmental Engineering Answers

A tractive effort of 3kN drives a 5 ton truck from rest up an inclince of 1 in 40. If the tractive resistance is constant at 380N and the tractive effort is parralel to the plane of the incline, use the method of conservation of energy to calculate the speed of the trcuk after it has traveled 250m up the incline.

PLEASE ANSWER ACCORDINGLY this is the third time im reposting because answers are either wrong or irrelevant

Clearly show the following values:

Ek=?

Ep=?

ETR=?

ETE=?

Energy equation=?

v=?

A metal block starts from rest and slides 12 m down a chute that is inclined at 40° to the horizontal. It then continues to slide along a horizontal length of the chute and eventually comes to rest. If μ = 0,2 between the chute and the block, calculate the horizontal length of the chute. Use conservation of energy to solve this question.

PLEASE ANSWER ACCORDINGLY This is the third time im reposting because answers given were wrong or not relevant

Clearly show the following values in their respective sections

Section A:

Ek=?

Ep=?

ETR=?

ETE=?

Energy equation=??

v=??

Section B:

Ek=?

Ep=?

ETR=?

ETE=?

Distance=??

What is the Moment of a Couple?

 At the exit of a toll gate with a single booth, vehicle arrive at random at a rate of 20 vehicles per minute. The service has an average rate of 22 vehicles per minute. Estimate the following:

(a) Average length of queue formed at the toll gate.

(b) Average waiting time of vehicles.

(c) Average time vehicles spent in the system.

 Vehicles often travel city streets adjacent to parking lanes at 56 kph or faster. At his speed and setting detection through response-initiation time for an alert driver at 2 sec. and f = 0.50, how far must the driver be away from a suddenly opened car door to avoid striking it?

A cone of radius 2 cm and height 5 cm is lowered point first into a tall cylinder of radius 7 cm that is partially filled with water. Determine

how fast the depth of the water is changing at the moment when the cone is completely submerged if the cone is moving with a speed of

3 cm/s at that moment.