A 3.2-kg object is suspended from a spring with k = 74 N/m. The mass is pulled 0.75 m downward from its equilibrium position and allowed to oscillate. What is the maximum kinetic energy of the object
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A 3.2-kg object is suspended from a spring with k = 74 N/m. The mass is pulled 0.75 m downward from its equilibrium position and allowed to oscillate. What is the maximum kinetic energy of the object?
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- An ideal spring hangs from the ceiling. A 1.75 kg mass is hung from the spring, stretching the spring a distance d=0.0865 m from its original length when it reaches equilibrium. The mass is then lifted up a distance L=0.0295 m from the equilibrium position and released. What is the kinetic energy of the mass at the instant it passes back through the equilibrium position?A horizontal block-spring system with the block on a frictionless surface has total mechanical energy E = 46.9 J and a maximum displacement from equilibrium of 0.227 m. (a) What is the spring constant? 1820.3 N/m (b) What is the kinetic energy of the system at the equilibrium point? 46.9 J (c) If the maximum speed of the block is 3.45 m/s, what is its mass? 7.88 kg (d) What is the speed of the block when its displacement is 0.160 m? m/s (e) Find the kinetic energy of the block at x = 0.160 m. J (f) Find the potential energy stored in the spring when x = 0.160 m. J (g) Suppose the same system is released from rest at x = 0.227 m on a rough surface so that it loses 12.1 J by the time it reaches its first turning point (after passing equilibrium at x = 0). What is its position at that instant? mA 0.500-kg object, suspended from an ideal spring of spring constant 21.4 N/m, is oscillating vertically. How much change of kinetic energy occurs while the object moves from the equilibrium position to a point 4.73 cm lower?
- A 0.300 kg block on a horizontal frictionless surface is attached to an ideal massless spring whose spring constant is 120.0 The block is pulled from equilibrium position at x = 0.000 m to a displacement x = + 0.080m and is released from rest. The block then executes simple harmonic motion along the horizontal x axis. What the total mechanical energy of the system ? Give your answer in Sl units .A 10.0-kg object is suspended from a spring with k = 16 N/m. The mass is pulled 1.25 m downward from its equilibrium position and allowed to oscillate. What is the maximum kinetic energy of the object??A 1.00-kg mass is attached to a spring hanging vertically and hangs at rest in the equilibrium position. The spring constant of the spring is 1.00 N/cm. The mass is pulled downward 2.00 cm and released. What is the speed of the mass when it is 1.00 cm above the point from which it was released? 0.0443 m/s 1.73 m/s 1.67 m/s 0.0201 m/s The mass will not reach the height specified.
- A 75 kg student jumps off a bridge with a 12-m-long bungee cord tied to his feet. The massless bungee cord has a spring constant of 430 N/m. a) How far below the bridge is the student’s lowest point? b) How far below the bridge is the student's resting position after the oscillations have fully stopped?A horizontal spring is lying on a frictionless surface. One end of the spring is attaches to a wall while the other end is connected to a movable object. The spring and object are compressed by 0.079 m, released from rest, and subsequently oscillate back and forth with an angular frequency of 12.9 rad/s. What is the speed of the object at the instant when the spring is stretched by 0.034 m relative to its unstrained length? Number Mi UnitsA 50.0 cm long spring with spring constant 224 N/m has a mass 1.4 kg attached to it, and it can oscillate on a horizontal table without any friction. The spring is pulled by a distance 7 cm from the resting position and released. What is the kinetic energy (in joules) of the mass at the instant when the length of the spring is 51 cm. Ans: 0.5376