Physics, 01.11.2020 23:30 taliyahjhonson1
Carlos uses a machine to decrease his force. Which of the following statements is true?
His machine must decrease the distance the object moves.
His machine must increase the distance the object moves.
His total amount of work has decreased.
Answers: 2
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Ablock of mass m slides on a horizontal frictionless table with an initial speed v0 . it then compresses a spring of force constant k and is brought to rest. the acceleration of gravity is 9.8 m/s2. how much is the spring compressed x from its natural length? 1) x = v0*sqrt(k/(mg)) 2) x=v0*sqrt(m/k) 3) x=v0*((mk)/g) 4) x=v0*sqrt(k/m) 5) x=v0*(m/kg) 6) x=v0*sqrt((mg)/k) 7) x=(v0)^2/(2g) 8) x=v0*(k/(mg)) 9) x=(v0)^2/(2m) 10) x=v0*((mg)/k)
Answers: 3
Carlos uses a machine to decrease his force. Which of the following statements is true?
His machine...
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