Homework Answers
Force = Mass*(Acceleration due to gravity)
Force = m*g
if the lift is accelerated upward then there will be a pseduo force of same magnitude as acceleration acting downward on the scale.
Force (F) = m*g
F = 95*(9.8+2.4)
F = 1159 N
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Main Menu Contents Grades Course Contents » Week 5: Dynamics Weighing yourself in an Elevator Timer...
Jan2020 Main Menu Contents Grades Course Contents »... » Caps Leyes de « Timer Notes Evaluate...
Jan2020 Main Menu Contents Grades Course Contents »... » Caps Leyes de « Timer Notes Evaluate Feedback & Two forces F1 and F2 are acting on a mass, m = 3.0 kg. The force F1 = 5.01 + 7.0J + 4.0K, in N. The acceleration of the mass is given by a = 3.01 + 3.0J + 5.0K, in m/s2. Calculate the Magnitude of F2 (in Newtons). Submit Answer Tries 0/40 e Post Discussion Send Feedbac
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Abdulrahman Alshakrah(Student section: 101) Main Menu Contents Grades Physics 2051/Spring 2019 Course Contents » » week 1 Math Diagnostic Homework-due Fri, < O Timer □Notes Problem D1 utes Due in 7 hours, 15 min Solve for x: 2x 256 (2)3 X= No soltion Submit Answer This question expects a numeric answer. Tries o/10 Previous Tries Post Discussion 20 esc FI F3 F4 F5
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Main Menu Contents Grades Syllabus [ Course Contents » ... » Problem Set 5 » (8) Central Fringe Width • Timer Notes Evaluate Feedback Print Info A two-slit pattern is viewed on a screen 1.06 m from the slits. If the two fifth-order maxima are 66.0 cm apart, what is the total width of the central bright fringe? 0.112m Submit Answer Incorrect. Tries 3/8 Previous Tries e Post Discussion Send Feedback
Main Menu Contents | Grades Course Contents » Correction Exams » • Timer Notes Evaluate Feedback...
Main Menu Contents | Grades Course Contents » Correction Exams » • Timer Notes Evaluate Feedback Print A positive charge of 4.50 C is fixed in place. From a distance of 4.80 cm a particle of mass 6.20 g and charge +3.50 C is fired with an initial speed of 80.0 m/s directly toward the fixed charge. How close to the fixed charge does the particle get before it comes to rest and starts traveling away? Submit Answer Tries 0/20...
Main Menu Contents Grades Course Contents » Timer Notes Evaluate Feedback P Consider the f(x) =...
Main Menu Contents Grades Course Contents » Timer Notes Evaluate Feedback P Consider the f(x) = cos(Bx) function shown in the figure in blue color. What is the value of parameter B for this function? This parameter is called angular frequency in physics and it is denoted by w -7 6 5 4 -3 -2 -1 0 1 2 3 4 5 6 7 As a reference the g(x) = cos(x) function is shown in red color, and green tick...
Abdulrahman Alshakrah (Studentsection: 101) Physic Main Menu Contents Grades Course Contents » » Week 2 Homework...
Abdulrahman Alshakrah (Studentsection: 101) Physic Main Menu Contents Grades Course Contents » » Week 2 Homework set due Friday »Fi Find the Magnitude of a Vector Due in 6 hours, 36 minutes Let A- 4.8i 8.3j 3.1k. The magnitude of A is: 9.073 Submit Answer Incorrect. Tries 3/10 Previous Tries Post Discussion
Main Menu Contents Grades Course Contents ... hw13 10.11T - Dynamics of Rotational Motion Rotational Inertia...
Main Menu Contents Grades Course Contents ... hw13 10.11T - Dynamics of Rotational Motion Rotational Inertia • Timer Notes Evaluate Calculate the moment of inertia of a skater given the following information. The 49.0-kg skater is approximated as a cylinder that has a 0.122-m radius. 0.365 kg MA2 Feedback Print Into You are correct. Your receipt nois 161-3863 Previous Tres The skater with arms extended is approximately a cylinder that is 43.0 kg, has a 0.122-m radius, and has two...
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Main Menu Contents Grades Course Contents ... hw13 10.16T - Dynamics of Rotational Motion Rotational Inertia • Timer Notes Evaluate Feedback Print Info Zorch, an archenemy of Superman, decides to slow Earth's rotation to once per 35.0 h by exerting an opposing force at and parallel to the equator. Superman is not immediately concerned because he knows Zorch can only exert a force of 3.46x10 Na greater than a Saturn V rocket's thrust). How long must Zorch push with this...
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Main Menu Contents Grades Timer Notes Evaluate Feedback Print Info Course Contents ... w1 3 10.14T - Dynamics of Rotational Motion Rotational Inertia Suppose you exert a force of 212 N tangential to a 0.290-m-radius 89.0-kg grindstone (a solid disk). What torque is exerted? Su Tes /10 What is the angular acceleration assuming neglige opposing friction? Submit A Tries 0/10 What is the angular acceleration if there is an opposing frictional force of 16.9 N exerted 1.41 cm from the...
Main Menu Contents Grades ◆ ◆ course contents » » Cap 11, Rodamiento » Cap11 -Cr...
Main Menu Contents Grades ◆ ◆ course contents » » Cap 11, Rodamiento » Cap11 -Cr Timer □Notes Evaluate efeedback-Print Cap11 Points:2 What is the angular momentum of a figure skater spinning (with arms in close to her body) at 3.84 revolutions per second, assuming her to be a uniform cylinder with a height of 1.36 m, a radius of 13.7 cm, and a mass of 57.9 kg. 13.1 kg mA2/s You are correct. Your receipt no. is 158-8177 Previous...
Jan2020 Main Menu Contents Grades Course Contents »... » Caps Leyes de « Timer Notes Evaluate Feedback & Two forces F1 and F2 are acting on a mass, m = 3.0 kg. The force F1 = 5.01 + 7.0J + 4.0K, in N. The acceleration of the mass is given by a = 3.01 + 3.0J + 5.0K, in m/s2. Calculate the Magnitude of F2 (in Newtons). Submit Answer Tries 0/40 e Post Discussion Send Feedbac
Abdulrahman Alshakrah(Student section: 101) Main Menu Contents Grades Physics 2051/Spring 2019 Course Contents » » week 1 Math Diagnostic Homework-due Fri, < O Timer □Notes Problem D1 utes Due in 7 hours, 15 min Solve for x: 2x 256 (2)3 X= No soltion Submit Answer This question expects a numeric answer. Tries o/10 Previous Tries Post Discussion 20 esc FI F3 F4 F5
Main Menu Contents Grades Syllabus [ Course Contents » ... » Problem Set 5 » (8) Central Fringe Width • Timer Notes Evaluate Feedback Print Info A two-slit pattern is viewed on a screen 1.06 m from the slits. If the two fifth-order maxima are 66.0 cm apart, what is the total width of the central bright fringe? 0.112m Submit Answer Incorrect. Tries 3/8 Previous Tries e Post Discussion Send Feedback
Main Menu Contents | Grades Course Contents » Correction Exams » • Timer Notes Evaluate Feedback Print A positive charge of 4.50 C is fixed in place. From a distance of 4.80 cm a particle of mass 6.20 g and charge +3.50 C is fired with an initial speed of 80.0 m/s directly toward the fixed charge. How close to the fixed charge does the particle get before it comes to rest and starts traveling away? Submit Answer Tries 0/20...
Main Menu Contents Grades Course Contents » Timer Notes Evaluate Feedback P Consider the f(x) = cos(Bx) function shown in the figure in blue color. What is the value of parameter B for this function? This parameter is called angular frequency in physics and it is denoted by w -7 6 5 4 -3 -2 -1 0 1 2 3 4 5 6 7 As a reference the g(x) = cos(x) function is shown in red color, and green tick...
Abdulrahman Alshakrah (Studentsection: 101) Physic Main Menu Contents Grades Course Contents » » Week 2 Homework set due Friday »Fi Find the Magnitude of a Vector Due in 6 hours, 36 minutes Let A- 4.8i 8.3j 3.1k. The magnitude of A is: 9.073 Submit Answer Incorrect. Tries 3/10 Previous Tries Post Discussion
Main Menu Contents Grades Course Contents ... hw13 10.11T - Dynamics of Rotational Motion Rotational Inertia • Timer Notes Evaluate Calculate the moment of inertia of a skater given the following information. The 49.0-kg skater is approximated as a cylinder that has a 0.122-m radius. 0.365 kg MA2 Feedback Print Into You are correct. Your receipt nois 161-3863 Previous Tres The skater with arms extended is approximately a cylinder that is 43.0 kg, has a 0.122-m radius, and has two...
Main Menu Contents Grades Course Contents ... hw13 10.16T - Dynamics of Rotational Motion Rotational Inertia • Timer Notes Evaluate Feedback Print Info Zorch, an archenemy of Superman, decides to slow Earth's rotation to once per 35.0 h by exerting an opposing force at and parallel to the equator. Superman is not immediately concerned because he knows Zorch can only exert a force of 3.46x10 Na greater than a Saturn V rocket's thrust). How long must Zorch push with this...
Main Menu Contents Grades Timer Notes Evaluate Feedback Print Info Course Contents ... w1 3 10.14T - Dynamics of Rotational Motion Rotational Inertia Suppose you exert a force of 212 N tangential to a 0.290-m-radius 89.0-kg grindstone (a solid disk). What torque is exerted? Su Tes /10 What is the angular acceleration assuming neglige opposing friction? Submit A Tries 0/10 What is the angular acceleration if there is an opposing frictional force of 16.9 N exerted 1.41 cm from the...
Main Menu Contents Grades ◆ ◆ course contents » » Cap 11, Rodamiento » Cap11 -Cr Timer □Notes Evaluate efeedback-Print Cap11 Points:2 What is the angular momentum of a figure skater spinning (with arms in close to her body) at 3.84 revolutions per second, assuming her to be a uniform cylinder with a height of 1.36 m, a radius of 13.7 cm, and a mass of 57.9 kg. 13.1 kg mA2/s You are correct. Your receipt no. is 158-8177 Previous...
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