As shown in the figure, two packages of mass and are connected by an essentially massless, non-elastic cord passing over a light, frictionless pulley. The package of mass m, is released from rest at height h above the table. Use the isolated system model to answer the following. (We assume m₂ m₂. Use any variable or symbol stated above along with the following as necessary: g.) O (a) Determine the speed of m₂ just as m, hits the table. (b) Find the maximum height above the table to which m₂ rises. max"
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- Can someone please explain it ASAP?!! This is about generalized work energyA vertical spring of stiffness k is attached to the top of a block of mass m. At t = 0 the top end of the initially unstretched spring is started to be pulled upwards with constant velocity v, as it can be seen in the figure. When does the speed of the body become maximal first, and what is this maximal value?it says the answer is 14m/s=v on the computer but i cant get this answer, solution steps would be apperciated.
- A 250 kg roller coaster is at the top of a hill with a velocity of 5.60 m/s from a height of 70.0 m above the ground. A) Determine the velocity of the roller coaster at a height of 40.0 m further down the track, neglecting friction. [3] B) What reference point did you choose as zero height? Show how you could come up with the same answer to A if you chose another reference point for height.A single frictionless roller-coaster car of mass m = 750 kg tops the first hill with speed v= 15 m/s at height h = 40 m as shown. Find the speed of the car at B and C. Fint hill-The images are the setup for this question below. ANSWER THIS QUESTION: The spring on Earth has stiffness 2k and relaxed length L0. When the package is at rest and ready to launch, the spring is maximally compressed. What does this compression have to be in order for the package to reach the launching speed you found in the previous part? Use the variable v to represent the speed found in part 1.
- If mass m were doubled in question 9, would the speed at B increase, decrease, or remain the same? Explain.Solve the sub-part (A) only only typingYOU HAVE TO SOLVE THE QUESTION (with parts a,b.c) ON AN EMPTY PAPER prepared on the Attendance Part. QUESTION: A very small block of mass m= 0.3 kg is released from rest at point A at a height h= 2.3 m above the ground. It slides down the track as shown in the figure. It reaches point B with speed V= 3.8 m/s. Frorm point B it slides on a horizontal surface a distance d= 1.2 m to point C which is at the bottom of a vertical circular loop of radius R= 16 cm. The circular section of the track (C to D to E) is frictionless but for the remaining section (A to B to C) there is friction. 3. a) Calculate the AE,, (change in thermal energy) for the system between points A and B. b) The coefficient of kinetic friction between the block and the horizontal surface (between B and C) is Hk Calculate u, so that the force on the block by the track at point D is equal to 2mg. c) Find the minimum speed V, with which the block must pass through point C, if it is just not to fall off at the top (point E)…
- We are given two mass, mand M(M>m), suspended as shown in Figure. The system is released from rest with mon the floor and Mhigher by amount h. When Mis about to strike the floor, it is found to have a speed v. Find hif vis known. Note: Please write each step of your solution with an explanation.(Problem 4.13) An infinitely long cylinder of radius a carries a uniform polarization (constant in direction not radial) P perpendicular to its axis. (a) Find the electric field inside the cylinder (b) Show that the field outside the cylinder can be expressed in the form E(s) = a? [2 (P · 8) § – P], 2€os? where s is the radial coordinate in cylindrical coordinates, and ŝ the radial unit vector (also in cylindrical coord's).O Macmillan Learning A ball of unknown mass m is tossed straight up with initial speed v. At the moment it is released, the ball is a height h above a spring-mounted platform, as shown in the figure. The ball rises, peaks, and falls back toward the platform, ultimately compressing the spring a maximum distance d from its relaxed position. Assume that the spring is perfectly ideal, with spring constant k, and that the mass of the spring and platform is negligible. What is the mass of the ball, m, assuming that there is no friction or air resistance? Using g to represent the acceleration due to gravity, enter an expression for m in terms of g, h, d, k, and v. m = ||N|- =-= kxx ² gh kg m V h th kogum