Determine the speed of both cars just after coupling

Assignment Help Civil Engineering
Reference no: EM13299223

the 15,000 kg boxcar A is coasting freely at 1.5 m/s on the horizontal track when it encounters a tank car B having a mass of 12,000 kg and coasting at 0.75 m/s toward it. If the cars meet and couple together, determine the speed of both cars just after coupling.

Reference no: EM13299223

Questions Cloud

How much is ebit : A firm reports a net profit margin of 10.0% on sales of $3 million when ignoring the effects of financing. If Taxes are $200,000, how much is EBIT?
How far away is the star from the earth : The light from a distant star takes 252 years to reach the earth. How far away is the star from the earth
Explain how to determine the final velocity of the crate : the 100 kg crate is originally at rest on the smooth horizontal surface. If a 200 newton force, acting at an angle of 45 degrees, is applied to the crate for 10 seconds. Determine the final velocity of the crate.
Estimate the mass of the meter stick : A uniform meter stick is in static rotational equilibrium when a mass of 220 g is suspended from the 5.0 cm mark, What is the mass of the meter stick
Determine the speed of both cars just after coupling : the 15,000 kg boxcar A is coasting freely at 1.5 m/s on the horizontal track when it encounters a tank car B having a mass of 12,000 kg and coasting at 0.75 m/s toward it. If the cars meet and couple together
Determine the strain components strainx and strainy : Determine the strain components strainx, Strainy, and gammaxy, then sketch the deformed shape in the xy orientation, paying particular attention to the sign of the shear deformation.
What rate of return would she earned for the passed year : If Joan sold the bond today for $1,060.49, what rate of return would she earned for the passed year?
What is the magnitude of the centripetal accerleration : A small steel sphere of mass 0.40kg is attached by a 5.0m long cord to a swivel pin set into the surface of a frictionless table top. What is the magnitude of the centripetal accerleration of the sphere
What are some differences in the analysis for a replacement : What are some differences in the analysis for a replacement project versus that for a new expansion project ? (Briefly)

Reviews

Write a Review

Civil Engineering Questions & Answers

  Maximum acceleration from rest

The base engine develops 200 ft-lb of torque, and a modified version of the engine develops 240 ft-lb of torque. If the overall gear reduction ratio is 8 to 1, what is the maximum acceleration from rest (in ft/sec^2) for:

  Find the net present worth of the project

find the net present worth of the project,and the internal rate of return ,and the annual worth of the project?

  What is the concentration of mlvss in the activated sludge

What is the concentration of MLVSS in the activated sludge (mg L-1)

  What is the void ratio and the porosity of the sample

An undistured soil sample has a dry unit wieght of 112 pcf with specific gravity of solids equal to 2.68. a. What is the void ratio of the sample b. What is the porosity of the sample

  By what percentage is the capacity of the flume reduced

determine the width of the flume to be used such that the depth of flow immediatly upstream of the throat under design conditions is 1 m. By what percentage is the capacity of the flume reduced if the downstream depth is 0.85m

  Determine the most economical alternative of return analysis

Using Rate of Return Analysis, determine the most economical alternative below. Assume a minimum attractive rate of return of 6%, and a 5-year life with no salvage value for each. The alternatives are mutually exclusive

  Calculate the maximum rod diameter

If the tensil testing machine can apply no more than 925 lbs. of force to the specimen, calculate the maximum rod diameter that should be used. (precision 0.000)?

  Will the pce standard of 5 microgram per l be exceeded

If an 18.9 L (5 gallon) bucket of PCE is released (and equally distributed) into a 3.79x10^8 L (100,000,000-gallon) aquifer, will the PCE standard of 5 microgram/L under the Safe Drinking Water Act be exceeded

  Estimate extent of laminar boundary layer flow along wing

An airplane flies at a speed of 360 mph at an altitude of 5000 ft. If the boundary layers on the wing surfaces behave as those on a flat plate, estimate the extent of laminar boundary layer flow along the wing in feet.

  Duplex system with no redundancy

What is the salt usage for each regeneration if the system regenerated every 10 days? What size resin tanks (diameter, height) would be required for a duplex system with no redundancy?

  Determine what is the final temp and the final mass of air

an insulated tank is evacuated. Air from the atmosphere at 12 psia and 70 degrees farenheight is allowed to flow into the 100 cubic foot tank. What is the final temp and the final mass of air in the tank just after flow ceases.

  Magnitudes of fac and fad

The 70 m tall tower is supported by three cables that exert forces FAB, FAC, and FAD on it. The magnitude of the force FAB is 2 kN. The x and z components of the vector sum of the forces exerted on the tower by the three cables are zero. What are ..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd