this is another gordon rule question Q #3 (a) suppose a car moves at a constant
ID: 1670391 • Letter: T
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this is another gordon rule question Q #3 (a) suppose a car moves at a constant speed along a hillyroad, where does the car exert the greatest and least force on theroad (a) at the top of a hill or(b)at a dip between two hills and(c) on a level stretch near the bottom of a lhill? (b)How many "accelerators" do you have in your car?.There areat least three controls in the car which can be used to cause thecar to accelerate. what are they?, what accelerations do theyproduce? (c)Cars used to be built as rigid as possible to withstandcollisions. today, though, cars are designed to have "crumplezones" that collapse on impact. what is the advantage of this newdesign?. this is another gordon rule question Q #3 (a) suppose a car moves at a constant speed along a hillyroad, where does the car exert the greatest and least force on theroad (a) at the top of a hill or(b)at a dip between two hills and(c) on a level stretch near the bottom of a lhill? (b)How many "accelerators" do you have in your car?.There areat least three controls in the car which can be used to cause thecar to accelerate. what are they?, what accelerations do theyproduce? (c)Cars used to be built as rigid as possible to withstandcollisions. today, though, cars are designed to have "crumplezones" that collapse on impact. what is the advantage of this newdesign?.Explanation / Answer
A) suppose a car moves at a constantspeed along a hilly road, where does the car exert thegreatest and least force on the road(a) at the top of a hill or (B)at a dip between two hills andsince acceleration due to gravity will add to centripetal force Fcand it is Fc= mV2/R then the total force is F= mg + mV2/R - (C) on a level stretch near the bottom of a lhill? -
(b)How many "accelerators" do you havein your car?.There are at least three controls in the car which canbe used to cause the car to accelerate. what are they?, whataccelerations do they produce? 1. accelerator 2. Shift to neutral when coasting down hill. 3. Keep in a straight line - (c)Cars used to be built as rigid aspossible to withstand collisions. today, though, cars are designedto have "crumple zones" that collapse on impact. what is theadvantage of this new design?. The energy of the impact gets dissapated when , in this case,metal crumbles.
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