Find out the final velocity of the handcar

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Reference no: EM1348001

Q. A railroad handcar is moving along straight, frictionless tracks with negligible air resistance. In the cases that follow, the car initially has a total mass (car and contents) of 150 {rm kg} and is traveling east with a velocity of magnitude 5.00 {rm m}/{rm s}. Find the final velocity of the handcar in each case, assuming that it does not leave the tracks.

Q. A concrete highway is built of slabs 8.0 m long (20°C). How wide should the expansion cracks between the slabs be (at 20°C) to prevent buckling if the range of temperature is -35°C to +45°C?

Reference no: EM1348001

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