D Cengage Learning X VA A#7-Waves - PHY354, section AB x * Dashboard X C & https://www.webassign.net/web/Student/Assignment-Responses/last?dep=31551927 . .. b For this assignment, you submit answers by question parts. The number of submissions remaining for each question part only changes if you submit or change the answer. Q Assignment Scoring Your last submission is used for your score O 1. [-/3 Points] DETAILS SERCP11 13.1.OP.001. MY NOTES ASK YOUR TEACHER A cube, whose mass is 0.480 kg, is attached to a spring with a force constant of 140 N/m. The cube rests upon a frictionless, horizontal surface (shown in the figure below). + The cube is pulled to the right a distance A = 0.110 m from its equilibrium position (the vertical dashed line) and held motionless. The cube is then released from rest. (a) At the instant of release, what is the magnitude of the spring force (in N) acting upon the cube? N (b) At that very instant, what is the magnitude of the cube's acceleration (in m/s?)? m/'s (c) In what direction does the acceleration vector point at the instant of release? O Away from the equilibrium position (i.e., to the right in the figure). O The direction is not defined (i.e., the acceleration is zero). O Toward the equilibrium position (i.e., to the left in the figure). O You cannot tell without more information. 2. [-/1 Points] DETAILS SERCP11 13.1.OP.004. MY NOTES ASK YOUR TEACHER A lab assistant has suspended a spring from a door frame. When an object is attached to the spring's bottom end, the spring extends downward by an additional distance, d, measuring 4.00 cm. (That downward distance is relative to the unstretched position that the spring had previously held when in equilibrium, as shown by the horizontal dashed line in the figure below). Calculate the mass of the hanging object (in kg) if the spring constant k has the value 58.5 N/m.kg DETAILS SERCP11 13.1.P.001. O 3. [-/2 Points] MY NOTES ASK YOUR TEACHER A block of mass m = 0.51 kg attached to a spring with force constant 110 N/m is free to move on a frictionless, horizontal surface as in the figure below. The block is released from rest after the spring is stretched a distance A = 0.13 m. (Indicate the direction with the sign of your answer. Assume that the positive So direction is to the right.) Search TH2 A BO ENG 6:25 PM US 2023-04-06D Cengage Learning X VA A#7-Waves - PHY354, section AB x Dashboard * + X C & https://www.webassign.net/web/Student/Assignment-Responses/last?dep=31551927 . .. Q 3. [-/2 Points] DETAILS SERCP11 13.1.P.001. MY NOTES ASK YOUR TEACHER A block of mass m = 0.51 kg attached to a spring with force constant 110 N/m is free to move on a frictionless, horizontal surface as in the figure below. The block is released from rest after the spring is stretched a distance A = 0.13 m. (Indicate the direction with the sign of your answer. Assume that the positive O direction is to the right.) -A- WWWWWW " + (@) At that instant, find the force on the block. (b) At that instant, find its acceleration. 1m/s2 4. [-/2 Points] DETAILS SERCP11 13.2.OP.008. MY NOTES ASK YOUR TEACHER A 2.60 kg cube rests upon a frictionless, horizontal floor. The cube is attached to a horizontal spring (of force constant k = 555 N/m) whose other end is anchored to a nearby wall. The cube is pulled until it lies a distance x, = 4.95 cm from its equilibrium position (x = 0). The cube is then released and undergoes simple harmonic motion. (a) Calculate how much work must be done (in ]) to stretch the spring from equilibrium (x = 0) to the pre-release position (x ). (b) With what speed (in m/s) does the cube pass through the equilibrium position once it has been released from x,? m/'s 5. [-/2 Points] DETAILS SERCP11 13.2.P.009. MY NOTES ASK YOUR TEACHER A slingshot consists of a light leather cup containing a stone. The cup is pulled back against two parallel rubber bands. It takes a force of 15 N to stretch either one of these bands 1.0 cm. a) What is the potential energy stored in the two bands together when a 40-g stone is placed in the cup and pulled back 0.23 m from the equilibrium position? (b) With what speed does the stone leave the slingshot? m/s O 6. [-/3 Points] DETAILS SERCP11 13.4.OP.021. MY NOTES ASK YOUR TEACHER So Search ENG 6:25 PM US 2023-04-06| Cengage Learning X VA A#7-Waves - PHY354, section AB x Dashboard * + X C @ https://www.webassign.net/web/Student/Assignment-Responses/last?dep=31551927 . .. 6. [-/3 Points] DETAILS SERCP11 13.4.OP.021. MY NOTES ASK YOUR TEACHER A horizontal spring with force constant k = 880 N/m is attached to a wall on one end. The other end of the spring is attached to a 1.90 kg block that rests upon a frictionless floor, as shown below. O x= 0 x= x/2 x= x (a) The block is displaced to an initial position of x, = 7.70 cm, extending the spring. Calculate PE, , the potential energy (in ]) stored in the spring when the block is in this initial position. + (b) After being held motionless at x, = 7.70 cm, the block is released. Find the speed (in m/s) with which it passes through the equilibrium position (x = 0). m/s (c) What is the speed (in m/s) of the block when it passes through the position ? m/'s 7. [-/2 Points] DETAILS SERCP11 13.4.OP.026. MY NOTES ASK YOUR TEACHER Four people enter a 1,850 kg vehicle and discover that this compress the vehicle's springs by an additional 0.65 cm. Together the people have a mass of 325 kg. (a) If we pretend that the vehicle's suspension consists of one spring, then we can calculate its effective spring constant, k. What is the value of k (in N/m) for this vehicle? N/m (b) The four people exit the vehicle. They push down upon it once and then release it. This causes the vehicle to undergo simple harmonic motion. What is the frequency (in Hz) of this vibrating motion? Hz 8. [-/6 Points] DETAILS SERCP11 13.4.P.017. MY NOTES ASK YOUR TEACHER A block-spring system consists of a spring with constant k = 455 N/m attached to a 1.75 kg block on a frictionless surface. The block is pulled 5.80 cm from equilibrium and released from rest. For the resulting oscillation, find the amplitude, angular frequency, frequency, and period. What is the maximum value of block's velocity and acceleration? HINT (a) amplitude (in m) (b) angular frequency (in rad/s) rad/s (c) frequency (in Hz) Hz O (d) period (in s) (e) maximum velocity (in m/s) O Search ABO ENG 6:26 PM US 2023-04-06| Cengage Learning X VA A#7-Waves - PHY354, section AB x * Dashboard * + X C @ https://www.webassign.net/web/Student/Assignment-Responses/last?dep=31551927 ... 8. [-/6 Points] DETAILS SERCP11 13.4.P.017. MY NOTES ASK YOUR TEACHER A block-spring system consists of a spring with constant k = 455 N/m attached to a 1.75 kg block on a frictionless surface. The block is pulled 5.80 cm from equilibrium and released from rest. For the resulting oscillation, find the amplitude, angular frequency, frequency, and period. What is the maximum value of the block's velocity and acceleration? HINT (a) amplitude (in m) O (b) angular frequency (in rad/s) rad/s (c) frequency (in Hz) + Hz d) period (in s) (e) maximum velocity (in m/s) m/'s (f) maximum acceleration (in m/'s?) m/'s 9. [-/1 Points] DETAILS SERCP11 13.9.P.049. MY NOTES ASK YOUR TEACHER An ethernet cable is 4.15 m long and has a mass of 0.190 kg. A transverse pulse is produced by plucking one end of the taut cable. The pulse makes four trips down and back along the cable in 0.795 s. What is the tension in the cable? N 10. [-/1 Points] DETAILS SERCP11 13.9.P.051. MY NOTES ASK YOUR TEACHER A piano string having a mass per unit length equal to 4.90 x 1073 kg/m is under a tension of 1,250 N. Find the speed with which a wave travels on this string- m/s 11. [-/2 Points] DETAILS SERCP11 13.9.P.053. MY NOTES ASK YOUR TEACHER Transverse waves with a speed of 41.0 m/'s are to be produced on a stretched string. A 5.55-m length of string with a total mass of 0.0600 kg is used. a) What is the required tension in the string? (b) Calculate the wave speed in the string if the tension is 8.00 N. m/s So 12. [-/1 Points] DETAILS SERCP11 13.9.P.056. MY NOTES ASK YOUR TEACHER Search ENG 6:26 PM US 2023-04-06D Cengage Learning X VA A#7-Waves - PHY354, section AB x Dashboard * \\ + X C https://www.webassign.net/web/Student/Assignment-Responses/last?dep=31551927 . .. Q 12. [-/1 Points] DETAILS SERCP11 13.9.P.056. MY NOTES ASK YOUR TEACHER A string is 49.0 cm long and has a mass of 3.00 g. A wave travels at 5.50 m/s along this gth, but half the mass of the first. If the two strings are under the s he speed of a wave along the second string? O m/S 13. [-/4 Points] DETAILS SERCP11 13.8.OP.041. MY NOTES ASK YOUR TEACHER + This figure shows a sinusoidal wave that is traveling from left to right, in the +x-direction. Assume that it is described by a frequency of 31.5 cycles per second, or hertz (Hz). 7.93 cm 5.00 cm (a) What is the wave's amplitude (in cm)? cm [b) What is the wavelength (in cm)? |cm (c) Calculate the wave's period (in s). (d) Compute the speed of this wave (in m/s). m/s 14. [-/2 Points] DETAILS SERCP11 13.8.OP.044. MY NOTES ASK YOUR TEACHER A distance of 2.30 meters lies between two successive maxima of a transverse wave. Five wave crests pass a stationary observer every 14.2 seconds. Compute the wave's frequency (in Hz). Hz (b) With what speed (in m/s) does the wave travel? m/'s O Submit Assignment Save Assignment Progress O Search A B ENG 6:26 PM US 2023-04-06