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A particle is moving with a velocity of Vo when s=0 and t=0. If it is subjected to a deceleration of a = (-K)v^3, where K is a constant, determine its velocity and position as functions of time.
A horizontal curve on a two-lane highway is designed with a 818.51ft radius, 12ft lane, superelevation 6.4%, and a 50mph design speed. Deflection angle is 90 degree. The maximum relative gradient is
Given a mean earth radius of 20,906,000 ft, and an observation latitude of N 33 degrees, what is the arc distance of one second of longitude and one second of latitude
a 4ft-long, 1-in-diameter shaft rotates inside an equally long cylinder that is 1.02 in. in diameter. Calculate the torque required to rotate the inner shaft at 2000 rpm if SAE-30 oil at 70 degrees
Design a cord (design the constants k and ) so the cord stretches 2.5 times the unstretched length, and the acceleration of the jumper doesn't exceed 3g, and the cord has zero stiffness at the botto
An automobile that you are looking at purchasing has an advertised fuel mileage of 30 miles per gallon. You rent the car for a week and track your mileage to school and back home and get (miles/gall
write a c++ code for two classes one being automobile and one being motorcycle both being the base class then at least one derived class from each
1.How can the water pressure in a pipe be measured simply 2.What force causes the water pressure to fall as it flows along a pipe 3.How do you think the pressure drop will change when each of the thre
Using the aluminum alloy 2014-T6, determine the largest allowable length of the aluminum bar AB for a centric load P of magnitude (A) 150 kN b=50 mm h=20 mm
Determine the vertical deflection in inches at the midpoint, called point F, between points B and C. Use E=29,000 Ksi, I=800 inches^4, and A=6.0 inches^2 for all members. Use the Virtual Work Method
During a test flight in which a 9000-kg helicopter starts from rest at t = 0, the acceleration of its center of mass from t =0 to t =10 s is a=(0.6t)i+ (1.8 0.36t)j m/s2.
For an intermediate beam in 3 bays by 3 bays (each bay is 20' by 20') floor plan, draw the envelope shear and moment diagrams taking into account effect of pattern loading.
You are planning a Polaris observation at latitude 42 degrees North when the star is at or near upper culmination. You want to know the error in azimuth that will result from a 1 min timing error.
If the force is removed when the crate reaches point B, and the crate is then released from rest, determine the crates's velocity when it slides back down the plane and reaches point A.
For the vector 100i+150j-300k kN determine its magnitude, the direction, angle alpha, beta, and gamma and the unit vector. magnitude = 350 kN angle alpha is suppose to = 59 degrees
For the following position r and the force F, determine the angle and the magnitude of the force along the position vector. Also determine the force vector along the positon vector.
For the vector 100i+150j-300k kN determine its magnitude, the direction, angle alpha, beta, and gamma and the unit vector.
There are 3 forces acting on the ring. using the non vector approach, determine the resultant force of only the 150 Ib and 100 Ib forces. Also calculate the angle between the resultant force and the
A closed tank having a volume of 1.0 ft3 is filled with 0.15 lb of a gas. A pressure gage attached to the tank reads 12 psi when the gas temperature is 80 F. There is some question as to whether the
Some experiments are being conducted in a laboratory in which theair temperature is 26o C and the atmosphericpressure is 14.6 psia. Determine the density of the air.Express your answers in slugs/ft3
An important dimensionless parameter in certain types of fluid flow problems is the Froude number defined as V/(gl)^1/2 where V is a velocity, g the acceleration of gravity, and l a length.
A force is specified by the vector F = [(10)i + (150)j + (-50)k] N. Calculate the angles made by F with the positive x-, y-, and z-axes
The path of the airplane is described by the equation y=kx^2, where k=6 x 10^-4 m^-1. Provide the expression for the velocity and acceleration of the airplane when x=390m. Express the velocity in m/
It the mean annual runoff of a drainage basin of 10000 km^2 is 140 m^3/s, and the average annual precipitation is 105 cm, estimate the ET losses for the area in 1 year. What are your assumptions
The ultimate normal strength of the wood is ?ult = 1800 psi and the ultimate shear strength of the wood is fault = 800 psi. The width of the specimen under tension is b = 1.7 in, and the specimen is