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 2 years ago
what is the magnitude of the force necessary to accelerate a 20.0 kg mass from rest to 0.500 m/s in a time of 2.0s
 2 years ago
what is the magnitude of the force necessary to accelerate a 20.0 kg mass from rest to 0.500 m/s in a time of 2.0s

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ajprincess
 2 years ago
Best ResponseYou've already chosen the best response.1First find a using v=u+at Here vfinal velocity(in this case 0.500m/s) uinitial velocity(in this case 0m/s) ttime taken(in this case 2.0s) aacceleration Then find the magnitude of the force using F=ma mmass aacceleration

kabacha
 2 years ago
Best ResponseYou've already chosen the best response.0a=v/t. so .5/2 = 1. f=m*a so f=(20)*(1) = 20 N

Yahoo!
 2 years ago
Best ResponseYou've already chosen the best response.1v=u+at v/t = a a = 0.5/2 = 1/4m/s^2 f=ma = 20*1/4 = 5N
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