Gra X The X HCC MyE X HE Log X Mcc Cha X A Cha X Log X Log X He Gra X o Mai X He Cha X & ww x Ans X M Rec X Wel X X C webassign.net/web/Student/Assignment-Responses/submit?dep=29775154&tags=autosave#question4271632_6 * OK (Update Assignment Submission & Scoring Assignment Submission 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. Assignment Scoring Your last submission is used for your score. 1. [-/1 Points] DETAILS SERCP11 12.1.P.001. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER An ideal gas is enclosed in a cylinder with a movable piston on top of it. The piston has a mass of 8,000 g and an area of 5.00 cm and is free to slide up and down, keeping the pressure of the gas constant. (a) How much work is done on the gas as the temperature of 0.205 mol of the gas is raised from 15.0C to 250.C? (b) What does the sign of your answer to part (a) indicate? O There is no work done, by the gas or the surroundings. O The gas does positive work on its surroundings. O The surroundings do positive work on the gas. Need Help? Read It 2. [-/1 Points] DETAILS SERCP11 12.1.P.002. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Sketch a PV diagram and find the work done by the gas during the following stages. (a) A gas is expanded from a volume of 1.0 L to 7.0 L at a constant pressure of 3.5 atm. (b) The gas is then cooled at constant volume until the pressure falls to 1.0 atm. (c) The gas is then compressed at a constant pressure of 1.0 atm from a volume of 7.0 L to 1.0 L. (Note: Be careful of signs.) J Search 1:51 AM 12/4/2022 5Gra X The X HEC MyE X Hy Log X My Cha X Cha X Log X Log X Mcc Gra X Mai X Mc Cha X ww x 2 Ans X M Rec X *Wel X X C webassign.net/web/Student/Assignment-Responses/submit?dep=29775154&tags=autosave#question4271632_6 * OK (Update Sketch a PV diagram and find the work done by the gas during the following stages. (a) A gas is expanded from a volume of 1.0 L to 7.0 L at a constant pressure of 3.5 atm. (b) The gas is then cooled at constant volume until the pressure falls to 1.0 atm. J (c) The gas is then compressed at a constant pressure of 1.0 atm from a volume of 7.0 L to 1.0 L. (Note: Be careful of signs.) (d) The gas is heated until its pressure increases from 1.0 atm to 3.5 atm at a constant volume. J (e) Find the net work done during the complete cycle. Sketch a PV diagram of the process outlined in parts (a)-(d). O O P( atm) P( atm) a C 3 3 2 2 1 d C d a V (L) V(L) 2 6 2 6 8 A O O P( atm) P( atm) 4 d b a C 3 3 2 2 1 1 b d C a T/ ( T) V ( L) Search 1:51 AM 12/4/2022 5Gra X The X HEC MyE X HE Log X Hoc Cha X Cha X Log X Log X Mc Gra X Mai X He Cha X & ww x ! Ans X M Rec X * Wel X X C webassign.net/web/Student/Assignment-Responses/last?dep=29775146 * OK (Update neau It 4. [-/1 Points] DETAILS SERCP11 4.2.P.010. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A 4.0-g bullet leaves the muzzle of a rifle with a speed of 338 m/s. What force (assumed constant) is exerted on the bullet while it is traveling down the 0.84-m-long barrel of the rifle? Need Help? Read It Watch It 5. [-/1 Points] DETAILS SERCP11 4.2.P.017. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A force of 25.0 N is applied in the positive x-direction to a block of mass 5.45 kg, at rest on a frictionless surface. HINT (a) What is the block's acceleration (in m/s2)? (Indicate the direction with the sign of your answer.) m/s2 (b) How fast is it going (in m/s) after 2.00 s? m/s Need Help? Read It Watch It 6. [-/1 Points] DETAILS SERCP11 4.2.P.018. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER What would be the acceleration of gravity (in m/s2) at the surface of a world with four times Earth's mass and five times its radius? Search W 1:53 AM 12/4/2022 5Gra X The X HEC MyE X HE Log X He Cha X Cha X Log X Log X Mo Gra X o Mai X He Cha x ww x Ans X M Rec X Wel X O X C webassign.net/web/Student/Assignment-Responses/last?dep=29775146 * OK Update 6. [-/1 Points] DETAILS SERCP11 4.2.P.018. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER What would be the acceleration of gravity (in m/s ) at the surface of a world with four times Earth's mass and five times its radius? HINT m / s 2 Need Help? Read It Watch It 7. [-/1 Points] DETAILS SERCP11 4.3.P.019. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Calculate the magnitude of the normal force on a 12.7 kg block in the following circumstances. (Enter your answers in N.) HINT (a) The block is resting on a level surface. N (b) The block is resting on a surface tilted up at a 40.80 angle with respect to the horizontal. N (c) The block is resting on the floor of an elevator that is accelerating upward at 2.28 m/s2. (d) The block is on a level surface and a force of 115 N is exerted on it at an angle of 40.80 below the horizontal. Need Help? Read It Watch It Search 1:53 AM 12/4/2022 5Gra X The X HEC MyE X HE Log X My Cha X " Cha X Log X Log X Mc Gra X o Mai X He Cha x ww x. Ans x M Rec X Wel X X C webassign.net/web/Student/Assignment-Responses/last?dep=29775146 LE (Update 8. [-/1 Points] DETAILS SERCP11 4.3.P.022. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A student of mass 63.4 kg, starting at rest, slides down a slide 17.2 m long, tilted at an angle of 32.10 with respect to the horizontal. If the coefficient of kinetic friction between the student and the slide is 0.133, find the force of kinetic friction, the acceleration, and the speed she is traveling when she reaches the bottom of the slide. (Enter the magnitudes.) HINT (a) the force of kinetic friction (in N) IN (b) the acceleration (in m/s2) m/s2 (c) the speed she is traveling (in m/s) m/s Need Help? Read It Watch It 9. [-/1 Points] DETAILS SERCP11 4.3.P.025. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A rocket takes off from Earth's surface, accelerating straight up at 41.2 m/s2. Calculate the normal force (in N) acting on an astronaut of mass 88.4 kg, including his space suit. (Assume the rocket's initial motion parallel to the +y-direction. Indicate the direction with the sign of your answer.) HINT Need Help? Read It Watch It Search 1:53 AM 12/4/2022 5Gra X The X HCC MyE X HE Log X Mcc Cha X Cha X Log X Log X Mc Gra X o Mai X He Cha x ww x Ans X M Rec X Wel X X C webassign.net/web/Student/Assignment-Responses/last?dep=29775146 * O K Update 10. [-/1 Points] DETAILS SERCP11 4.4.P.027. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A mule is harnessed to a sled having a mass of 256 kg, including supplies. The mule must exert a force exceeding 1180 N at an angle of 30.30 (above the horizontal) in order to get the sled moving. Treat the sled as a point particle. HINT (a) Calculate the normal force (in N) on the sled when the magnitude of the applied force is 1180 N. (Enter the magnitude.) IN (b) Find the coefficient of static friction between the sled and the ground beneath it. (c) Find the static friction force (in N) when the mule is exerting a force of 5.90 x 102 N on the sled at the same angle. (Enter the magnitude.) N Need Help? Read It Watch It 11. [-/1 Points] DETAILS SERCP11 4.4.P.030. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Suppose the coefficient of static friction between a quarter and the back wall of a rocket car is 0.267. At what minimum rate (in m/s2) would the car have to accelerate so that a quarter placed on the back wall would remain in place? HINT m/ s2 Need Help? Read It Watch It 12. [-/1 Points] DETAILS SERCP11 4.5.P.032. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Search W 1:53 AM 12/4/2022 5'Re:X th-X + \\'II Gra x I The X ' My x " ' Che x ( C' i wehassignne' ' " I_'1i'ili'i9i'il'RE'ElJ SERCP11 4.4.P.027. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A mule is harnessed to a sled having a mass of 256 kg, including supplies. The mule rnust exert a farce exceeding 1180 N at an angle of 30.3\" [above the horizontal) in order to get the sled moving. Treat the sled as a point particle HINT (a) Calculate the normal force (in N) on the sled when the magnitude of the applied force is 1180 N. (Enter the magnitude.) S N (b) Find the coefficient of static friction between the sled and the ground beneath it. E (c) Find the static friction force (in N) when the rnuie iS exerting a force of 5.90 x 102 N en the sled at the same angle. (Enter the magnitude.) :N Need Help? 10. [-11 Points] SERCP11 4.4.P.030. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Suppose the coefficient of static friction between a quarter and the back wail of a rocket car is 0.267. At what minimum rate (in m/sz) would the car have to accelerate so that a quarter placed on the back wail would remain in place'7 S m2 Need Help7 I 11. [I1 Points] new I. 0', ea-neg, a QQ Aasgwanggggge Gra X The X HEC MyE X HE Log X He Cha X Cha X Log X Log X Mcc Gra X o Mai X He Cha X & ww x Ans X M Rec X *Wel X X C webassign.net/web/Student/Assignment-Responses/last?dep=29775146 * O K Update Iromesj PRACTICE AND THEN Two identical strings making an angle of 0 = 30.30 with respect to the vertical support a block of mass m = 22.2 kg (see the figure below). What is the tension in each of the strings? (Enter your answer in N.) HINT m N Need Help? Read It Watch It 13. [-/1 Points] DETAILS SERCP11 4.6.P.040. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The leg and cast in the figure below weigh 365 N (w,). Determine the weight w2 and the angle a needed so that no force is exerted on the hip joint by the leg plus cast. W 2 110 N 409 W Search 2:01 AM 12/4/2022 5Gra X The X HEC MyE X HE Log X My Cha X Cha X Log X Log X Mc Gra X Mai X He Cha X ww x . Ans x M Rec X * Wel X X C webassign.net/web/Student/Assignment-Responses/last?dep=29775146 * OK (Update 14. [-/1 Points] DETAILS SERCP11 4.6.P.048. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A block of mass 18.2 kg is sliding at an initial velocity of 5.65 m/s in the positive x-direction. The surface has a coefficient of kinetic friction of 0. 193. (Indicate the direction with the signs of your answers. ) HINT (a) What is the force of kinetic friction (in N) acting on the block? N (b) What is the block's acceleration (in m/s2)? m / s 2 (c) How far will it slide (in m) before coming to rest? m Need Help? Read It Watch It 15. [1/1 Points] DETAILS PREVIOUS ANSWERS SERCP11 4.6.P.053. MY NOTES ASK YOUR TEACHER A setup similar to the one shown in the figure below is often used in hospitals to support and apply a traction force to an injured leg. Figure Description 70 Search 2:02 AM 12/4/2022 5Gra X The X HEC MyE X HE Log X Cha X Cha X Log X Log X Mc Gra X o Mai X He Cha x ww x Ans X M Rec X Wel X O X C webassign.net/web/Student/Assignment-Responses/last?dep=29775146 * OK (Update Need Help? Read It Watch It 16. [-/1 Points] DETAILS SERCP11 4.7.P.054. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER An Atwood's machine (see the figure below) consists of two masses: one of mass 4.33 kg and the other of mass 11.1 kg. When released from rest, what is the acceleration of the system? (Enter the magnitude in m/s2.) HINT m2 A m/s2 Need Help? Read It Watch It 17. [-/1 Points] DETAILS SERCP11 4.7.P.055. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A block of mass m, = 14.4 kg is on a frictionless table to the left of a second block of mass m, = 16.7 kg, attached by a horizontal string (see the figure below). HINT 2:02 AM Search 12/4/2022 5Gra X The X HEC MyE X HE Log X He Cha X A Cha X Log X Log X Mc Gra X o Mai X He Cha X ww x Ans X M Rec X Wel X X C webassign.net/web/Student/Assignment-Responses/last?dep=29775146 * OK Update A block of mass m, = 14.4 kg is on a frictionless table to the left of a second block of mass my = 16.7 kg, attached by a horizontal string (see the figure below). HINT F m1 (a) If a horizontal force of 1.13 x 102 N is exerted on the block my in the positive x-direction, use the system approach to find the acceleration (in m/s2) of the two blocks. m/s2 (b) What is the tension (in N) in the string connecting the blocks? N Need Help? Read It Watch It 18. [-/1 Points] DETAILS SERCP11 4.7.P.065.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Objects with masses m, = 11.0 kg and my = 8.0 kg are connected by a light string that passes over a frictionless pulley as in the figure below. If, when the system starts from rest, m, falls 1.00 m in 1.55 s, determine the coefficient of kinetic friction between m, and the table. Search 2:02 AM 12/4/2022 5Gra X The X HEC MyE X HE Log X My Cha X Cha X Log X Log X Mc Gra X o Mai X He Cha x ww x 2 Ans X M Rec X *Wel X X C webassign.net/web/Student/Assignment-Responses/last?dep=29775146 *O K Update Consider the figure below. 45.09 45.09 60.0 N 60.0 N (a) What is the resultant force exerted by the two cables supporting the traffic light in the figure? magnitude 30 X Your response differs from the correct answer by more than 10%. Double check your calculations. N direction upward v V (b) What is the weight of the light? 60 X Your response differs from the correct answer by more than 10%. Double check your calculations. N Need Help? Read It 20. [-/1 Points] DETAILS SERCP11 4.A.P.081.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A frictionless plane is 10.0 m long and inclined at 41.0. A sled starts at the bottom with an initial speed of 5.80 m/s up the incline. When the sled reaches the point at which it momentarily stops, a second sled is released from the top of the incline with an initial speed v . Both sleds reach the bottom of the incline at the same moment. (a) Determine the distance that the first sled traveled up the incline. m (b) Determine the initial speed of the second sled. m/s Need Help? Read It Master It Search 2:02 AM 12/4/2022 5