A. mass and speed of the block B. mass and normal force on the block C. frictional force and speed of the block D. frictional force and normal force on the block 32. An unbalanced force of 20 newtons is applied to a 4.0-kilogram mass at rest. The acceleration of the object is closest to A. 0.20m/sec2 B. 5.0m/sec2 C. 80m/sec2 D. 4.0m/sec2 33.

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Dec 03, 2007 · A 0.125 kg mass is attached to a spring and executes simple harmonic motion with a pe- riod of 0.51 s. The total energy of the system is 4.9 J. Find the force constant of the spring. An- swer in units of N/m. Find the amplitude of the motion. Answer in units of m. P18. A 200-g block is attached to a horizontal spring and executes simple harmonic motion with a period of 0.250 s. If the total energy of the system is 2.00 J, find (a) the force constant of the spring and (b) the amplitude of the motion. m 200 g, T 0.250 s, E. 2.00 J; 22 25.1 rad s. T 0.250 pp w (a) kmw. 0.200 kg 25.1 rad s 126 N m ( ) 2 (b ...

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13. A hot-air balloon with a mass of 500 kg ascends at a constant rate of 1.50 m/s for 20.0 s. How much work is done by the upward buoyant force? (Neglect air resistance.) A father pulls his young daughter on a sled with a constant velocity on a level surface through a distance of 10 m, as illustrated in 'Fig. 5.23a. If the total mass of the is attached to its lower end. Under the action of the load, the spring stretches a distance d from its equilibrium position. A) If a spring is stretched 2.0 cm by a suspended object having a mass of 0.55 kg, what is the force constant of the spring?

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! a worker with spikes on his shoes pulls with a constant horizontal force of magnitude 20 N on a box of mass 40 kg resting on the ﬂat, frictionless surface of a frozen lake. What is the acceleration of the box ?

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A 2.00 kg, frictionless block is attached to an ideal spring with force constant 300 N/m. At t = 0 the spring is neither stretched nor compressed and the block is moving in the negative direction at 12.0 m/s. Find (a) the amplitude and (b) the phase angle. (c) Write an equation for the position as a function of time. A 30-g bullet traveling horizontally at 300 m/s strikes a 1.0-kg block which is attached to a horizontal spring with a force constant of 2000 N/m and rests on a frictionless horizontal surface. The spring is on the far side of the block and aligned with the direction of travel of the bullet.

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Consider a mass m with a spring on either end, each attached to a wall. Let k_1 and k_2 be the spring constants of the springs. A displacement of the mass by a distance x results in the first spring lengthening by a distance x (and pulling in the -\hat\mathbf{x} direction), while the second spring is compressed by a distance x (and pushes in the same -\hat\mathbf{x} direction). A 10.0-kg mass hangs from a spring that has the spring constant 535 N/m. Find the position of the end of the spring away from its rest position. (Use g = 9.80 m/s 2.) A 0.0502-kg pair of fuzzy dice is attached to the rearview mirror of a car by a short string.

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53) A 5.0-kg block and a 4.0-kg block are connected by a 0.6 kg rod, as shown in the figure. The links between the blocks and the rod are denoted by A and B. A vertical upward force of magnitude F of magnitude 150 N is applied to the upper block.

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____A block of mass 5.00 kg rests on a horizontal surface where the coefficient of kinetic friction between the two is 0.200. A string attached to the block is pulled horizontally, resulting in a 2.00-m/s2 acceleration by the block. Find the tension in the string. (g 9.80 m/s2) a. 0.200 N b. 9.80 N

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A0.30 kg ladle sliding on a horizontal frictionless surface is attached to one end of a horizontal spring (k = 500 N/m)whose other end is fixed. The ladle has a kinetic energy of 10 J as it passes through its equilibrium position (the point at which the spring force is zero). A 2.00-kg block is attached to a spring of force constant 500 N/m. The block is pulled, extending the spring 5.00 cm past the equilibrium position and released from rest Find the speed the block has as it passes through equilibrium if (a) the horizontal surface is frictionless and (b) the coefficient of friction between block and surface is 0.350.

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The block moves into an ideal massless spring and compresses it by 8.7 cm. The spring constant of the spring is 2400 N/m. The initial velocity of the bullet is closest to 17) 18) A 4.00-kg mass is attached to a very light ideal spring hanging vertically and hangs at rest in the equilibrium position. The spring constant of the spring is 1.00 N ...

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Description: A small block on a frictionless, horizontal surface has a mass of ## kg. It is attached to a massless cord passing through a hole in the surface . The block is originally revolving at a distance of 0.300 m from the hole with an angular speed...

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The spring stretches when pulling force acts on it. The greater the force, the extension of the spring. The spring is attached to a pointer, which indicates the amount of force exerted on the spring.

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A 2.00-kg block is placed on a frictionless surface. A spring with a force constant of k = 32.00 N/m is attached to the block, and the opposite end of the spring is attached to the wall. The spring can be compressed or extended.