Dr.Jose M. Hurtado, xfFacebook XIKAnimeOnline HD sub Es X MasteringPhysics: CH 0

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Dr.Jose M. Hurtado, xfFacebook XIKAnimeOnline HD sub Es X MasteringPhysics: CH 07 HW -Google Chrome Es seguro https//session masteringphysics.com/myctvjtemView?assignmentProblemiD-91015330 CH 07 HW ss 7.1 Interacting-Objects Problems 3 o FConT 3200 N Learning Goal: To practice Problem-Solving Strategy 7.1 for interacting-objects problems. Previous Answers A 1200 -kg car is pushing an out-of-gear 2160-kg truck that has a dead battery. When the driver steps on the accelerator, the drive wheels of the car push horizontally against the ground with a force of 4550 N . The rolling friction of the car can be neglected but the heavier truck has a rolling friction ot 770 N including the "friction" of turning the truck's drivetrain. What is the magnitude of the force the car applies to the truck? Correct Assess Part D What is the acceleration ar of the truck? Express your answer in meters per second squared to three significant figures. View Available Hint(s) m/s Submit

Explanation / Answer

a = acceleration = ?

force equation for the truck is given as

FconT - f = Ma

3200 - 770 = 2160 a

a = 1.125 m/s2

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