A 1.0 kg box on a frictionless surface is attached to a 1.5 kg box as shown. What is the acceleration of the 1.0kg box?
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- 1, An 8.00-kg box sits on a level floor. You give the box a sharp push and find that it travels 8.22 m in 2.8 s before coming to rest again. (a) You measure that with a different push the box traveled 4.20 m in 2.0 s. Do you think the box has a con- stant acceleration as it slows down? Explain your reasoning. (b) You add books to the box to increase its mass. Repeating the experiment, you give the box a push and measure how long it takes the box to come to rest and how far the box travels. The results, including the initial experiment with no added mass, are given in the table: Added Mass (kg) Distance (m) Time (s) 0 8.22 2.8 3.00 10.75 3.2 7.00 9.45 3.0 12.0 7.10 2.6 In each case, did your push give the box the same initial speed? What is the ratio between the greatest initial speed and the small- est initial speed for these four cases? (c) Is the average horizontal force f exerted on the box by the floor the same in each case? Graph the magnitude of…A stack of two crates is being accelerated upwards by two cables. The cables are directly attached to crate 1 and the tension in each cable is 3248 N. You may assume that the masses of the cables are negligible compared to the masses of the crates. The acceleration of the crates is? bottom crate crate 1 is 109 kg. the top crate is 248 kg.A person pushes block A (mass 3 kg) with a constant force of 10 N. Both blocks accelerate together at 2.31 m/s2 on a friction-less surface. What is the normal force that block B exerts on block A? Round your answer to two decimal points.
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