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- a) Given the following ideal Atwood machine in an elevator accelerating down at ae = 4.9 m/s2, with m1 = 10 gram (two nickels) and m2 = 5 gram (one nickel) as shown, what is the tension T in the string in millinewton (mN)? (Hint: the upward arrow on ae is correct and just means use "positive is up" conventions for the elevator itself, so here we have ae = -4.9 m/s2 to be put into Einstein's rule that we discussed.) b) Exact same Atwood machine as the previous problem (two nickels and a nickel in an elevator accelerating down at 4.9 m/s2), but now how much time (s) does it take m1, starting from rest, to fall 25 cm relative to the inside of the elevator? I labeled it a and b because they are connected to each other. Please help, thanks!PROBLEM 2 A driver is driving at an initial speed of 42 kph. At the back of his truck is a mounted container that is full of water. The container is 6 m long, 2 m wide, and 2 m high. The water container is covered with a rubber tarpaulin. After 20 minutes of driving at constant speed, three things happen: (1) The rope of the tarpaulin at the rear end of his truck unravels, causing the back portion of the water surface to be exposed to the atmosphere. He is unaware of this. (2) He sees a van ahead on the road. Ever so inspired by Fast and Furious, he overtakes the van, and at 3 seconds, increases his speed to 75 kph. (3) Upon doing so, the water in his tank partially spills. Poor guy, he is oblivious to the mess, but let's leave it to him to solve that. As for you, dear reader, find the volume of the water left in his tank, in liters.2) Consider a particle of mass m initially at a height h in a fluid, The particle is released and allowed to fall through the fluid. The differential equation that governs its motion is: mä = -mg - y* a) solve for x(t) and v(t). b) Graph (accurately and clearly) the position and velocity as a function of time from t-0 to t=10 for the cases where g-1 and y/m 0.2 and 1. Use h-10. c) Derive a general formula for the limiting speed of falling.
- Spring A is Stiffer than spring B("A >KB) DThe spring for ce of which spring yoring does more worlk if the Springs brecompressed by the Same applied for ce? A. JA and R do equal worll3. On his walk home, Mr. Stark sees a wishing well. He takes out a 100 dollar bill, crumples it up into a ball and throws it upward over the well (at the level of the mouth of the well) and goes up 15 ft. 7 seconds after the bill leaves his hand, it reaches the bottom of the well which apparently didn't have any water after all. How deep is the well? What do you think he wanted to wish for?2xv,x sin(e) Calculate the initial speed of the ball using the equation A%= if the value of slope from the graph is given as m= 0.86.
- letter B)Determine the velocity of the block when it slides at a distance of 0.6m from point A. and letter A)Determine the distance the block will slide until it stops measured from point A.Consider the following section of pipe. The velocity of water (Pwater h₁ m S V₁ = 2.9 h₁ = 3.2 m V₂ = 6.7 h₂ = 1.9 m m S Point 1 = 1000 kg ) and height are given for two different points in the pipe. Use this information to answer the following questions. m What is the ratio of the cross-sectional area at point 1 to the cross-sectional area at point 2? A₁ A₂ What is the difference in pressure between points 1 and 2? (Find P2 - P₁. Include a negative sign if that's what you calculate.) P2 - P1 = Pa Which direction is the water flowing through the pipe? Point 2 h₂0.67 of an object is floating in a container filled with water. What is the density (in kg/m) of the object? (Answer in 0 decimal places) A Moving to another question will save this response. 44Hz | Adaptive SYNC ASUS
- Which pair of quantities is correct? Pasangan kuantiti manakah adalah benar? *Which quantity is a di Kuantiti manakah ad A Force Daya B Length Panjang C Carrent Scalar quantity Kuantiti skalar Vector quantity Kuantiti vektor Has magnitude only Has magnitude only Mempunyai magnitud sahaja Arus Mempunyai magnitud sahaja D Temperature Suhu Has direction only Mempunyai arah sahaja Has magnitude only Метрипуai magnitud sahaja 9 Diagram 2 she pressure, P ane Rajah 2 me tekanan, P de Has magnitude only Has magnitude and Mетрипуai magnitud sahaja C. direction Метритуai magnitud dan arah D Has magnitude and direction Mempunyai magnitud dan arah Has direction only Mempunyai arah sahajaDrag Force: A spherical particle of radius 5.9 cm and a mass of 229 g is moving through a fluid of the same density. (This means you can ignore the effects of gravity.) 1 The position of the particle is given by x (t) = In (1+ bvot), where x is its position and t is the elapsed time. The initial speed vo is 17.4 m/s, and the constant b is 0.4 m-1. (b) What is the velocity of the particle after 2.9 seconds? (c) What is the acceleration of the particle after 2.9 seconds?Please answer part d super fast