The following problems consider your unsuccessful attempt to take the lire off your car using a wrench to loosen the bolts. Assume the wrench is
449. Someone lends you a tire jack and you are now able to apply a
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- Suppose that 6J of work is needed to stretch a spring from its natural length of 32 cm to a length of 50cm. a) How much work is needed to stretch the spring from 40cm to 42 cm? (Round your answer to two decimal places.) b) How far beyond its natural length will a force of 30N keeps the spring stretched? (Round you answer to one decimal place.)arrow_forwardAn object with mass ? is dropped from rest and we assume that the air resistance isproportional to the speed of the object. If ?(?) is the distance dropped after ? seconds,then the speed is ? = ?′(?) and the acceleration is ? = ?′(?). If ? is the accelerationdue to gravity, then the downward force on the object is ?? − ??, where ? is a positiveconstant, and Newton’s Second Law givesarrow_forwardHow much force must be applied to a 1.8kg ice hockey puck to give it an acceleration of 10 m s-2arrow_forward
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- Linear Algebra: A Modern IntroductionAlgebraISBN:9781285463247Author:David PoolePublisher:Cengage Learning