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devin125
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What is the greatest acceleration a runner can muster if the friction between her shoes and the pavement is 90% of her weight?
Doc Al said:What do you think? Hint: Newton's 2nd law.
That's Newton's 2nd law. What's the force?devin125 said:I dun really get it, for all I understand is only F=ma...
Doc Al said:That's Newton's 2nd law. What's the force?
Yes. The net force is the friction.devin125 said:the force is net force, so is it just F-the friction= ma?
Doc Al said:Yes. The net force is the friction.
No, the net force is the friction. Just set it equal to ma.devin125 said:but what is the F in order to minus the friction?
Doc Al said:No, the net force is the friction. Just set it equal to ma.
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