## Question

###### The truck drives on a horizontal road with a constant velocity: It eventually halted by a set of crash barrels. The number of barrels and sand within the barrels are arranged in such a way to decelerate the truck at a constant rate. Four test runs are performed where the velocity and mass of the truck are varied. In each of the following situations, the barrels stop the truck in the same amount of time:10 mls15 mls1500 kgm = 1000 kg10 mls=5 mls1000 kg2000 kgWhich has the largest stopping force?

The truck drives on a horizontal road with a constant velocity: It eventually halted by a set of crash barrels. The number of barrels and sand within the barrels are arranged in such a way to decelerate the truck at a constant rate. Four test runs are performed where the velocity and mass of the truck are varied. In each of the following situations, the barrels stop the truck in the same amount of time: 10 mls 15 mls 1500 kg m = 1000 kg 10 mls =5 mls 1000 kg 2000 kg Which has the largest stopping force?

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