Determine the speed of the three coupled cars

Assignment Help Physics

Reference no: EM13278483

A railroad car of mass 3.4 x 104 kg moving at 4.00 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at 1.20 m/s.

(a) What is the speed of the three coupled cars after the collision?

_______m/s

(b) How much kinetic energy is lost in the collision?

______J

Reference no: EM13278483

Questions Cloud

Find out the number of moles of oxygen : Determine the number of moles of oxygen that would be needed to completely combust 0.0350 moles of benzene

Define what is the blood calcium levle : A pt has a blood Ca level of 4.6 mEq/L If 1mol Ca2+= Eq Ca2+ what is the blood calcium levle in mg/dl

Find the maximum linear speed of any part of the bit : According to the shop manual, when drilling a 12.1-mm-diameter hole in wood, plastic, or aluminum, a drill should have a speed of 1400 rev/min. find the maximum linear speed of any part of the bit

Define what is the ph of a solution containing : What is the pH of a solution containing 50.00 mL of 1.0 M HCl and 50.00 mL of 1.0 NH3? The Kb for NH3 = 1.8 x 10-5.

Determine the speed of the three coupled cars : A railroad car of mass 3.4 x 104 kg moving at 4.00 m/s collides and couples with two coupled railroad cars, What is the speed of the three coupled cars after the collision

Explain good professor accidently grabs the na2hpo4 bottle : The good professor accidently grabs the Na2HPO4 bottle. What pH did professor Whoops expect the solution to be. what was the actual pH of the solution as made

Using graphical techniques and calculate the distribution : Using graphical techniques, calculate the distribution (i.e., the fraction) of chlorendic acid ( in uncharged, mono-anionic and di-anionic forms) at pH 3.5,5.0, and 7.5.

Find the average force exerted on the ball by the club : A high-speed photograph of a club hitting a golf ball is shown in the figure below. find the average force exerted on the ball by the club

Evaluate what is the ph of a solution made by mixing : What is the pH of a solution made by mixing 25.00mL of 0.200M CH3COOH with 10.00mL of 0.200M NaOH? Ka of acetic acid is 1.8 x 10^-5.

User Account

All Pages