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Freight Car

Physics what happens when rail road engine crashes into a freight car?

A railroad diesel engine weighs four times as much as a freight car. If the diesel engine coasts at 5km/h into a freight car that is initially at rest, show that the speed of the coupled cars is 4km/h.

Momentum is conserved

(4m)*5 + m*0 = (5m)*Vc

Vc = 4

QED

Find Freight Car On eBay Below:

MTH RailKing 30 75557 Union Pacific 4 Bay Hopper Car O Gauge Trains Freight Cars
MTH RailKing 30 75557 Union Pacific 4 Bay Hopper Car O Gauge Trains Freight Cars
$54.95
Lionel 6 19511 Western Maryland Reefer Car O Gauge Model Trains Freight Cars
Lionel 6 19511 Western Maryland Reefer Car O Gauge Model Trains Freight Cars
$24.95
Lionel 6 7518 Carson City Mint Car O Gauge Model Trains Freight Cars
Lionel 6 7518 Carson City Mint Car O Gauge Model Trains Freight Cars
$21.95
Menards 279 2654 Rail Box Box Car Freight Car LE O Gauge Model Trains
Menards 279 2654 Rail Box Box Car Freight Car LE O Gauge Model Trains
$19.99
Lionel 6 9119 Detroit Mackinac Covered Hopper O Gauge Model Trains Freight Cars
Lionel 6 9119 Detroit Mackinac Covered Hopper O Gauge Model Trains Freight Cars
$19.95
Lionel 6 9279 Magnolia 3 Dome Tank Car O Gauge Model Trains Freight Cars B
Lionel 6 9279 Magnolia 3 Dome Tank Car O Gauge Model Trains Freight Cars B
$19.99
Lionel X6014 Baby Ruth Freight Car O Gauge no box
Lionel X6014 Baby Ruth Freight Car O Gauge no box
$4.99
MTH Premier Southern Pacific PFE 40 Reefer car O gauge freight train car New
MTH Premier Southern Pacific PFE 40 Reefer car O gauge freight train car New
$37.99
MTH Premier Chessapeake  Ohio 40 Reefer car O gauge Freight Train Car Newbx
MTH Premier Chessapeake Ohio 40 Reefer car O gauge Freight Train Car Newbx
$35.99
MTH Premier Green Bay  Western 40 Reefer car O gauge Freight Train Car New
MTH Premier Green Bay Western 40 Reefer car O gauge Freight Train Car New
$34.99
MTH Premier 20 98001 Pennsylvania Gondola Freight car O gauge New with orig box
MTH Premier 20 98001 Pennsylvania Gondola Freight car O gauge New with orig box
$26.99
LIONEL  803806  807 PREWAR FREIGHT CARS LOT  15413
LIONEL 803806 807 PREWAR FREIGHT CARS LOT 15413
$89.00
LIONEL  804804  804 THREE TANK CARS PREWAR FREIGHT CARS LOT  15414
LIONEL 804804 804 THREE TANK CARS PREWAR FREIGHT CARS LOT 15414
$89.00
LIONEL PREWAR FREIGHT CARS  FOR PARTS LOT  15415
LIONEL PREWAR FREIGHT CARS FOR PARTS LOT 15415
$89.00
LIONEL POSTWAR 1115 SCOUT FREIGHT CAR SET VG COND ALL IN ORIG BOXES 1949
LIONEL POSTWAR 1115 SCOUT FREIGHT CAR SET VG COND ALL IN ORIG BOXES 1949
$139.95
Antique Tin Dorfan Lines Freight Cars Lot Of 3
Antique Tin Dorfan Lines Freight Cars Lot Of 3
$29.99
American Flyer Vintage Original Freight Cars 1113 1114 1115 Prewar 0 Gauge
American Flyer Vintage Original Freight Cars 1113 1114 1115 Prewar 0 Gauge
$69.00
Lionel 6 16427 Western Maryland Covered Hopper O Gauge Model Trains Freight Cars
Lionel 6 16427 Western Maryland Covered Hopper O Gauge Model Trains Freight Cars
$34.95
Lionel 6 39468 Allis Chalmers Car O Gauge Model Trains Freight Cars
Lionel 6 39468 Allis Chalmers Car O Gauge Model Trains Freight Cars
$52.95
Lionel 6 5711 Commercial Express Reefer O Gauge Model Trains Freight Cars
Lionel 6 5711 Commercial Express Reefer O Gauge Model Trains Freight Cars
$29.95
Lionel 6 9734 Bangor And Aroostook Box Car O Gauge Model Trains Freight Cars
Lionel 6 9734 Bangor And Aroostook Box Car O Gauge Model Trains Freight Cars
$29.95
Lionel 6 16424 Western Maryland Covered Hopper O Gauge Model Trains Freight Cars
Lionel 6 16424 Western Maryland Covered Hopper O Gauge Model Trains Freight Cars
$34.95
Lionel Union Pacific Box Car 6 9717 O Gauge Trains Freight Cars
Lionel Union Pacific Box Car 6 9717 O Gauge Trains Freight Cars
$21.95
3 Modern era Lionel Freight Cars 9450 GN Stock Car 9033 Gondola w Load 9037
3 Modern era Lionel Freight Cars 9450 GN Stock Car 9033 Gondola w Load 9037
$39.95
LIONEL TRAIN CR CONRAIL 40 RAILROAD FREIGHT BOX CAR 6 9400
LIONEL TRAIN CR CONRAIL 40 RAILROAD FREIGHT BOX CAR 6 9400
$17.95
On30 Freight Cars Tank Car Conoco Item  27147
On30 Freight Cars Tank Car Conoco Item 27147
$45.00
O scale Williams BO F7 A A freight set w 4 cars  caboose new
O scale Williams BO F7 A A freight set w 4 cars caboose new
$349.99
Lionel 90th Anniversary boxcar O gauge freight train car sprung trucks New
Lionel 90th Anniversary boxcar O gauge freight train car sprung trucks New
$18.99
Lionel 6 19256 Disney Goofey Hi Cube boxcar O gauge freight car New with box
Lionel 6 19256 Disney Goofey Hi Cube boxcar O gauge freight car New with box
$18.99
Marx NYC 20102 caboose Baltimore  Ohio freight car
Marx NYC 20102 caboose Baltimore Ohio freight car
$25.00
K LINE O SCALE AUTOMATIC DUMP GONDOLA FREIGHT CAR WITH COAL LOAD
K LINE O SCALE AUTOMATIC DUMP GONDOLA FREIGHT CAR WITH COAL LOAD
$5.00
48 147 Jacking Pads Freight or Passenger Car O Scale FKA Keil Line
48 147 Jacking Pads Freight or Passenger Car O Scale FKA Keil Line
$5.00
K Line freight Car with Pink Beetles in Box Standard Gauge Mint
K Line freight Car with Pink Beetles in Box Standard Gauge Mint
$25.00
TRAIN FREIGHT CARS BY CROWN O SCALE
TRAIN FREIGHT CARS BY CROWN O SCALE
$29.00
K LINE 1996 TOY FAIR NEW YORK CITY NYC VAT CAR O GAUGE TRAIN FREIGHT LIONEL NIB
K LINE 1996 TOY FAIR NEW YORK CITY NYC VAT CAR O GAUGE TRAIN FREIGHT LIONEL NIB
$19.95
K LINE K 5147 NEW YORK CENTRAL FAST FREIGHT BOX CAR
K LINE K 5147 NEW YORK CENTRAL FAST FREIGHT BOX CAR
$29.97
Coca Cola Brand Train Freight Car For All Seasons Fall Gondola NCA6220
Coca Cola Brand Train Freight Car For All Seasons Fall Gondola NCA6220
$20.99
Lionel Train Great Northern Box Car 6 9401 O O27 Freight Carrier
Lionel Train Great Northern Box Car 6 9401 O O27 Freight Carrier
$9.99
Lionel OLD GLORY SERIES 3 BOX CAR SET BICENNTENNIAL Freight MIB 6 19599 O Gauge
Lionel OLD GLORY SERIES 3 BOX CAR SET BICENNTENNIAL Freight MIB 6 19599 O Gauge
$39.95
LIONEL CO 6 9304 O SCALE OPERATING COAL DUMP CAR RAILROAD TRAIN FREIGHT CAR
LIONEL CO 6 9304 O SCALE OPERATING COAL DUMP CAR RAILROAD TRAIN FREIGHT CAR
$14.99


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