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- PHYS-2425.001 He MENA Sign Out Heto Course Home Kassignments Problem 8.31 13 of 19 Aski starts from rest and slides down a 24" incline 10 m long Constanta Periodic Table • Part A If the coefficient of friction is 0075, what is the ski's spand at the base of the incline? Express your answor using two significant figures, 4. m/s Submit Ressst Alis - Part B If e snow is level at the foot of the incine and has the same coeficiend of friction hw Far wil the shi trauel alng theal?e methu Express your answer using two signilicant figures. AE4 d- Sutmn Request Answnt Provide Feetack ENC 1130 PM wysic.com/myctitem ORMC E 1150 e to searchFrom the given figure, determine the rectangular representation of the 500 N force. F = 500 N O a. F = -240 i+ 320j+ 300 k N O b. F = 240 i- 320j - 300 k N O c. F = 560i- 720 j- 20o k N O d. F = 420 i- 230j - 700 k NFor the given force system: Each square is 1 m by 1 m. Mr= 509.061 N-m (clockwise) Rx= -1027.68 N RY3D -445.98 N P. X. (a) Calculate the value of P [ Select] (b) Calculate the value of Q [ Select ] (c) Calculate the value of F [ Select] (d) Determine moment arm of the resultant force Select] (e) Determine equation of the resultant force Select ] (f) Find x and y intercept [ Select]
- Check Your Understanding The U.S. Air Force uses “10gs” (an acceleration equal to 109.8m/s2 ) as the maximum acceleration a human can withstand (but only tot several seconds) aid survive. How much time must the Enterprise spend accelerating if the humans on board are to experience an average at most 10gs of acceleration? (Assume the inertial dampeners are offline.)A constant 20-N force pushes a small ball in the direction of the force over a distance of 5.0 m. What is the work done by the force?Check Your Understanding Find the angle between forces F1and F3in Example 2.16.
- lioo kg 2.ukg Three Con ected blockas shown Intlhe Figure UConsider tne Fable smooth and Ericrionless, and Fonud- A Acc el Vare each blocr Tensile lutwa threeds Tr Tz Funcat |2 IF the rable surFace is rongh and the mol-or coe FEicent is amKso,350, Find:- A Accelerate each block BTensilentwo threads 'l, TeA solid sohere of mars I table coith lineae elo cily 2 total kinēlic kg seolls on a Yn/8. fend ili eneigy.THI A mana KI SHAT ProhEALT ms.microsoft.com/_#/pdf/viewer/teams/https:-2F-2Fhinducollegedelhi.sharepoint.com-2Fsites-2FB.Sc.HPhysicsadmission2021-24copy-2F... Q Search PRACTICE PROBLEMS A quadrilateral ABCD has masses 1,2,3 and 4 units lócated at its vertices A(-1,-2, 2), B(3,2,-1), C(1,-2,4) and D(3,1,2). Find the coordinates of the C.M. [(2,0,2)] 2. Three particles of masses 2,1,3 respectively have position vectors = 5tî- 2t2j + (3t – 2)k , 2= (2t – 3)î + (12 – 5t²)ĵ + (4 + 6t – 3t3)k, 3 = (2t – 1)î – (t2 + 2)î – t3k, where t is the time. Find (a) the velocity of C.M. at time t=1 and (b) the total linear momentum of the system at time t=1. [(a) 3î – 4ĵ – k, (b) 181- 12j- 6k.] 1. Find the impulse developed by a force given by F = 4tî + (6t2 – 2)ĵ + 12k from t=0 to t=2. [8î + 12ĵ + 24k] 3. 4. A particle of unit mass moves in a force field given by F = (3t² – 4t)î + (12t – 6)î + (6t – 12t²)k wheret is the time. a) Find the change in momentum of the particle from t=1 to t=2. [î + 12ĵ –…
- Q18: Determ ine the resubtant for the forces shown in Through point(o)- |3kN AKN O ZKN 3kN 0.4m Fig-Mang Juan connected a spring to a wall, mounted horizontally. Juana his daughter pulls the spring to the right stretching the spring by 30 cm. If the pulling force exerted on the spring is 90 N, calculate the spring constant of the spring.• Analyze the beam shown for reactions, shear and bending moment. Include the sign (+ or -) for final answers with 2 decimals. P=15 kN M=25 kN-m w=7 kN/m 3 m 4 m 4 m A B C What is the slope of the shear diagram between D and E? O-7 O +7 O -7/3 O +7/3 O-3 4 m D E