1.

A scooterstrating from rest moveswith aconstant velocity for the nextDeltat_(1), thenwitha constant velocity for the next Deltat_(2)and finallywith a constantdeceleration for the next Delta_(3) to come to rest. A 500 N mansittingon thescooterbehindthe dricer manages to stayatrest with respectto the scooter withouttouching and other part . The force exerted by the seaton the man is

Answer»

500 N throughoutthe journey
less the 500 N THROUGHOUT the journey .
more than 500 Nthroughout the journey
` gt 500` N for time `Deltat_(1)`and `Deltat_(3)`and 500 N for`Deltat_(2)`

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