A body of mass (0.5 kg) contacts a fixed spring of (20 N/m) and lets it oscillate horizontally and freely. 0.14 m/s 0.014 m/s 1.4 m/s Not what was mentioned
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- 4) A 7 gr bullet is fired into a 750 gr block of wood which is at rest on a frictionless table (Isolated System) and attached to a spring with a spring constant of 8000 N/m. The bullet has a velocity of 720 m/sec and is trapped inside the block of wood. a) What is the velocity of the block before the collision? b) What is the velocity of the block/bullet after the collision? c) What is the Amplitude of the resulting SHM? d) What is the kinetic energy after the collision? e) What is the potential energy after the collision? f) What is the mechanical energy after the collision? g) What is the kinetic energy at maximum compression of the spring? h) What is the potential energy at maximum compression of the spring? i) What is the mechanical energy at maximum compression of the spring? (212-MCQs A block-spring system oscillates on a frictionless horizontal surface with a 1-Hz frequency. The time needed by the block to move from x = A to x = -A/2 is: At = 1/12 sec Ο Δt = 1/3 sec At = 1/6 sec When you submit this form At = 1/2 sec anotant k = 100 N/m and a mass mThe position as a function of time for a 300 g mass attached to the end of a spring is…x = (0.16 m)sin(2.83t + π/4). Determine… The system’s period of oscillation. ____________________ The total energy of the system. __________________ The acceleration of the mass as a function of time.______________
- A stretched spring is released at time t=0s and allowed to oscillate back and forth on a frictionless surface. The period of harmonic motion is 2s. On the back of this page create the following graphs for one complete oscillation: 1) x-t 2) v-t 3) p-t 4) F,-t 5) a-t 6) K-t 7) U,-t 8) Energy-t Use the space below for any scratch work.A 4.0 kg-block attached to a 20 N/m-spring constant spring moves on a frictionless horizontal surface, back and forth between -6.0 m and +6.0 m. Which of the following will increae the period of the oscillation? Select all apply. increase the amplitude decrease the amplitude increase the spring constant of the spring decrease the spring constant of the spring increase the mass of the block decrease the mass of the block none of the aboveTwo people with a combined mass of 127 kg hop into an old car with worn-out shock absorbers. This causes the springs to compress by 9.10 cm. When the car hits a bump in the road, it oscillates up and down with a period of 1.75s. 1)Find the total load supported by the springs M+m=(?)Kg2)Find the mass of the car M=(?)Kg
- ASK YOUR TEACHER PRACTICE ANOTHER You attach one end of a spring with a force constant k= 713 N/m to a wall and the other end to a mass m = 2.22 kg and set the mass-spring system into oscillation on a horizontal frictionless surface as shown in the figure. To put the system into oscillation, you pull the block to a position x, = 4.56 cm from equilibrium and release it. x=0 x=1/4 (a) Determine the potential energy stored in the spring before the block is released. (b) Determine the speed of the block as it passes through the equilibrium position. m/s (c) Determine the speed of the block when it is at a position x/4. m/sA 76 kg man stands on the end of a diving board and causes a vertical oscillation, which is seen to have a period of 0·8 s. What is the static deflection at the end of the diving board? Neglect the mass of thboard5-