Think F = ma Now consider 125N = ma if m = 25/9.8 kg Find a?...
Think F = ma
Now consider 125N = ma
if m = 25/9.8 kg
Find a? Including units
Homework Answers
Determine the residence time (in hours) for a 25-um particle in the atmosphere with a density of 1,200 kg/m3 at an elevation of 3,500 m. Assume the gravitational acceleration is 9.8 m/s2 and the...
Determine the residence time (in hours) for a 25-um particle in the atmosphere with a density of 1,200 kg/m3 at an elevation of 3,500 m. Assume the gravitational acceleration is 9.8 m/s2 and the viscosity of air is 0.0172 g/m-s. 4. 4
Determine the residence time (in hours) for a 25-um particle in the atmosphere with a density of 1,200 kg/m3 at an elevation of 3,500 m. Assume the gravitational acceleration is 9.8 m/s2 and the viscosity of air is...
Two masses, mA = 29.0 kg and mg = 42.0 kg are connected by a rope...
Two masses, mA = 29.0 kg and mg = 42.0 kg are connected by a rope that hangs over a pulley (as in the figure). The pulley is a uniform cylinder of radius R. 0.311 m and mass 3.4 kg. Initially, mis on the ground and mp rests 2.5 m above the ground. MA 25 m Part A If the system is now released, use conservation of energy to determine the speed of me just before it strikes the ground....
Consider the reaction: Cla(9)+3F,()+2C1F,() A[Cl]/At = -0.078 M/s. Part A Find A[F://At Express your answer to...
Consider the reaction: Cla(9)+3F,()+2C1F,() A[Cl]/At = -0.078 M/s. Part A Find A[F://At Express your answer to two significant figures and include the appropriate units. HA ? A[F]/At Value Units Submit Revest Answer Part 3 Find A CIP/A Express your answer to two significant figures and include the appropriate units. MA ? ACIF/At Value Units Submit Answer Part Part Find the rate of the reaction. Express your answer to two significant figures and include the appropriate units. MA ? Rate Value...
018 (part 12of 2) 10.0 pointsGiven: g = 9.8 m/s . A wooden sphere has radius...
018 (part 12of 2) 10.0 pointsGiven: g = 9.8 m/s . A wooden sphere has radius R = 12 cm, density ρwood = 748 kg/m3, and aerodynami- cal drag coefficient D = 0.5. What is the ter- minal speed vt of this sphere falling through the air of density ρair = 1.2 kg/m3? Answer in units of m/s. 019 (part 2 of 2) 10.0 points Now consider the same sphere falling freely without any resistance. From which height hshould it...
Consider the system shown in the figure (Figure 1) with MA = 7.5 kg and mB...
Consider the system shown in the figure (Figure 1) with MA = 7.5 kg and mB = 11.0 kg. The angles QA = 59. and OB = 32. a) In the absence of friction, what force F would be required to pull the masses at a constant velocity up the fixed inclines? MB CB = 32° b) The force Fº is now removed. What is the magnitude of the acceleration of the two blocks? c) What is the direction of...
Given: Mass_1 = 0.106 kg; Mass_2 = 0.121 kg; Acceleration = 0.585 m/s^2; g = 9.8...
Given: Mass_1 = 0.106 kg; Mass_2 = 0.121 kg; Acceleration = 0.585 m/s^2; g = 9.8 m/s^2. What is the calculated applied force? (Neglect friction.) 0.133 N. (answer with three sig. figs.) Mass_1 = 0.111 kg; Mass_2 = 0.116 kg; Acceleration = 0.202 m/s^2; g = 9.8 m/s^2. What is the theoretical Newton's Second Law Force? (Neglect friction.) N.
Given: Consider the cart A with mass mA that rolls with respect to the ground (see...
Given: Consider the cart A with mass mA that rolls with respect to the ground (see the figure below). You may assume that the car is wide enough so that it cannot tip. A disk of radius R and mass mo is attached to the shaft on the cart at the center o of the disk (i.e., O is a pin joint). The disk is in contact with a horizontal surface at its top surface. A force F is applied...
Two boxes A and B (mA = 4.00 kg; m, - 2.00 kg) are linked by...
Two boxes A and B (mA = 4.00 kg; m, - 2.00 kg) are linked by a weightless rope passing through a pulley. The initial height h of Ais 5.00 m and Bis initially on the ground. It takes 2.5 second for A to reach ground. The pulley's radius is 0.3 m. The rope does not slip on the pulley rim. Use work-energy-theorem to find the moment of inertia of the pulley. ms
Problem: Find the natural frequencies of the system shown in Figure. Take m 2 kg ma 2.5 kg ms 3.0...
Problem: Find the natural frequencies of the system shown in Figure. Take m 2 kg ma 2.5 kg ms 3.0 kg me = 1.5 kg 914 Given: Four degree of freedom spring-mass system with given masses an stiffnesses. Find: Natural frequencies and mode shapes. Approach: Find the eigenvalues and eigenvectors of the dynamical matrix. 1. Determine [m] and [k] matrices of the vibrating system with all details 2. Determine [DI matrix. 3. Determine Natural frequencies and mode shapes analytically 3....
Problem 4.86 Part A Consider the system shown in the figure (Figure 1) with mA 85...
Problem 4.86 Part A Consider the system shown in the figure (Figure 1) with mA 85 kg and m angles 8A -59 and eB 32 135kg The In the absence of friction, what fore F would be required to pull the masses at a constant velocity up the fixed inclines? Submit Part B The force F is now removed. What is the megnitude of the acceleration of the two blocks? Submit Part C What is the direction of the acceleration...
Determine the residence time (in hours) for a 25-um particle in the atmosphere with a density of 1,200 kg/m3 at an elevation of 3,500 m. Assume the gravitational acceleration is 9.8 m/s2 and the viscosity of air is 0.0172 g/m-s. 4. 4
Determine the residence time (in hours) for a 25-um particle in the atmosphere with a density of 1,200 kg/m3 at an elevation of 3,500 m. Assume the gravitational acceleration is 9.8 m/s2 and the viscosity of air is...
Two masses, mA = 29.0 kg and mg = 42.0 kg are connected by a rope that hangs over a pulley (as in the figure). The pulley is a uniform cylinder of radius R. 0.311 m and mass 3.4 kg. Initially, mis on the ground and mp rests 2.5 m above the ground. MA 25 m Part A If the system is now released, use conservation of energy to determine the speed of me just before it strikes the ground....
Consider the reaction: Cla(9)+3F,()+2C1F,() A[Cl]/At = -0.078 M/s. Part A Find A[F://At Express your answer to two significant figures and include the appropriate units. HA ? A[F]/At Value Units Submit Revest Answer Part 3 Find A CIP/A Express your answer to two significant figures and include the appropriate units. MA ? ACIF/At Value Units Submit Answer Part Part Find the rate of the reaction. Express your answer to two significant figures and include the appropriate units. MA ? Rate Value...
Consider the system shown in the figure (Figure 1) with MA = 7.5 kg and mB = 11.0 kg. The angles QA = 59. and OB = 32. a) In the absence of friction, what force F would be required to pull the masses at a constant velocity up the fixed inclines? MB CB = 32° b) The force Fº is now removed. What is the magnitude of the acceleration of the two blocks? c) What is the direction of...
Given: Mass_1 = 0.106 kg; Mass_2 = 0.121 kg; Acceleration = 0.585 m/s^2; g = 9.8 m/s^2. What is the calculated applied force? (Neglect friction.) 0.133 N. (answer with three sig. figs.) Mass_1 = 0.111 kg; Mass_2 = 0.116 kg; Acceleration = 0.202 m/s^2; g = 9.8 m/s^2. What is the theoretical Newton's Second Law Force? (Neglect friction.) N.
Given: Consider the cart A with mass mA that rolls with respect to the ground (see the figure below). You may assume that the car is wide enough so that it cannot tip. A disk of radius R and mass mo is attached to the shaft on the cart at the center o of the disk (i.e., O is a pin joint). The disk is in contact with a horizontal surface at its top surface. A force F is applied...
Two boxes A and B (mA = 4.00 kg; m, - 2.00 kg) are linked by a weightless rope passing through a pulley. The initial height h of Ais 5.00 m and Bis initially on the ground. It takes 2.5 second for A to reach ground. The pulley's radius is 0.3 m. The rope does not slip on the pulley rim. Use work-energy-theorem to find the moment of inertia of the pulley. ms
Problem: Find the natural frequencies of the system shown in Figure. Take m 2 kg ma 2.5 kg ms 3.0 kg me = 1.5 kg 914 Given: Four degree of freedom spring-mass system with given masses an stiffnesses. Find: Natural frequencies and mode shapes. Approach: Find the eigenvalues and eigenvectors of the dynamical matrix. 1. Determine [m] and [k] matrices of the vibrating system with all details 2. Determine [DI matrix. 3. Determine Natural frequencies and mode shapes analytically 3....
Problem 4.86 Part A Consider the system shown in the figure (Figure 1) with mA 85 kg and m angles 8A -59 and eB 32 135kg The In the absence of friction, what fore F would be required to pull the masses at a constant velocity up the fixed inclines? Submit Part B The force F is now removed. What is the megnitude of the acceleration of the two blocks? Submit Part C What is the direction of the acceleration...
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