A student pedaling a bicycle applies a net force of 400 N. The mass of the rider and bicycle is 25 kg. What is the acceleration of the bicycle and the rider?

change tension

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firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.