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A 1.1 g pebble is stuck in a tread of a 0.84 m diameter automobile tire, held in place by static friction that can be at most 3.9 N . The car starts from rest and gradually accelerates on a straight Part A How fast is the car moving when the pebble flies out of the tire tread? road. Express your answer using two significant figures. ΑΣφ 38.6 m/s DYou have already submitted this answer. Enter a new answer. No credit lost. Try again.

A 1.1 g pebble is stuck in a tread of a 0.84 m diameter automobile tire, held in place by static friction that can be at most 3.9 N . The car starts from rest and gradually accelerates on a straight Part A How fast is the car moving when the pebble flies out of the tire tread? road. Express your answer using two significant figures. ΑΣφ 38.6 m/s DYou have already submitted this answer. Enter a new answer. No credit lost. Try again.

Physics for Scientists and Engineers, Technology Update (No access codes included)
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter4: Motion In Two Dimensions
Section: Chapter Questions
Problem 4.63AP: A flea is at point on a horizontal turntable, 10.0 cm from the center. The turntable is rotating at...
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Not sure what I'm doing wrong. 

 

I know that Fc= (m)(v^2/r) with:

m= 0.0011kg

r=0.84/2

Fc=3.9N but when I plug all that into the equation, I'm being told it's wrong. What am I missing?

A 1.1 g pebble is stuck in a tread of a 0.84 m diameter automobile tire, held in place by static friction that can be at most 3.9 N . The car starts from rest and gradually accelerates on a straight Part A How fast is the car moving when the pebble flies out of the tire tread? road. Express your answer using two significant figures. ΑΣφ 38.6 m/s DYou have already submitted this answer. Enter a new answer. No credit lost. Try again.
Transcribed Image Text:A 1.1 g pebble is stuck in a tread of a 0.84 m diameter automobile tire, held in place by static friction that can be at most 3.9 N . The car starts from rest and gradually accelerates on a straight Part A How fast is the car moving when the pebble flies out of the tire tread? road. Express your answer using two significant figures. ΑΣφ 38.6 m/s DYou have already submitted this answer. Enter a new answer. No credit lost. Try again.
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