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B) A 1300 -kg car is pushing an out-of-gear 2200 -kgtruck that has a dead battery....

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Physics

B) A 1300 -kg car is pushing an out-of-gear2200 -kgtruck that has a dead battery. When the driver steps on theaccelerator, the drive wheels of the car push horizontally againstthe ground with a force of 4500 N . The rolling friction of the carcan be neglected, but the heavier truck has a rolling friction of760 N , including the \"friction\" of turning the truck's drivetrain.What is the acceleration aT of the truck?

C) An 89.0 kg spacewalking astronaut pushes offa 620 kg satellite, exerting a 85.0 N force for the 0.540 s ittakes him to straighten his arms. How far apart are theastronaut and the satellite after 1.50 min?

Answer & Explanation Solved by verified expert
4.0 Ratings (517 Votes)
Bby newton law Fnet13002200a 45007603500a a1068ms2 C The relative velocity of the satellite to the astronaut is zero So the initial velocity of the satellite relative to the astronaut after    See Answer
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