Asked by Emily
The brakes of a truck cause it to slow down by applying a retarding force of 8740 N to the truck over a distance of 1130 m. What is the work done by this force on the truck?
Answers
Answered by
Elena
W=(F,s)=F•s•cosα =
=8740•1130•cos180º=
=8740•1130•(-1)=
= -9876200 J
=8740•1130•cos180º=
=8740•1130•(-1)=
= -9876200 J
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