A 50-kg pneumatic hammer is fitted with a shockabsorber at the top to lessen the impact on theworker. The vertical displacement of the hammer asa function of time is given by a(t)=at2-be²(during the hammer's bounce), where a 15 m/s²and b-20 m/s² The positive z axis is directedupward.Part AWrite an expression for the a component of the vector sum of forces exerted on the hammer as a functionof time t, where t is in secondsExpress your answer in terms of t.F.(1) m(2aSubmitΑΣΦ6bt)4Prenous Answers Begunst AntwX Incorrect: Try Again: 5 attempts remaining?N A 20-kg cart is connected to a 40-kg cart by arelaxed spring of spring constant 1000 N/m, andboth carts are placed on a low-friction track. Youpush the 20-kg cart in the direction of the40-kg cart with a constant force of 10 N.What is the acceleration of 40-kg cart at the instant you begin to push? Assume that the direction of pushis the positive directionExpress your answer with the appropriate units.SubmitμA0.255mCOPrevious Assets RecaustAmer?X Incorrect: Try Again: 4 attempts remaining

Given, Mass of the pneumatic hammer, m = 50 kgThe vertical displacement of the hammer as a function…

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A 50-kg pneumatic hammer is fitted with a shock absorber at the top to lessen the impact on the i worker The vertical displacement of the hammer as a function of time is given by a(t)-at-1² (during the hammer's bounce), where a 15 m/s² and b-20 m/ The positive a axis is directed upward