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1. A block of W=3 lb is supported as shown by a spring of constant k...
A 2.5-lb block is supported as shown by a spring of constant k = 2 lb/in....
A 2.5-lb block is supported as shown by a spring of constant k = 2 lb/in. that can act in tension or compression. The block is in its equilibrium position when it is struck from below by a hammer that imparts to the block an upward velocity of 90 in./s. Determine the position, velocity, and acceleration of the block 0.85 s after it has been struck by the hammer. (Round the final answers to two decimal places. A 177
A 2.5-lb block is supported as shown by a spring of constant k = 2 lb/in....
A 2.5-lb block is supported as shown by a spring of constant k = 2 lb/in. that can act in tension or compression. The block is in its equilibrium position when it is struck from below by a hammer that imparts to the block an upward velocity of 90 in./s. Determine the position, velocity, and acceleration of the block 0.85 s after it has been struck by the hammer. (Round the final answers to two decimal places.) 177
A block weighing 4 kg is supported by a spring with a constant of k =...
A block weighing 4 kg is supported by a spring with a constant
of k = 128 N/m and a dashpot with a coefficient of viscous
damping of c = 0.6 N·s/m. The block is in equilibrium when
it is struck from below by a hammer that imparts to the block an
upward velocity of 0.4 m/s.
Determine the maximum upward displacement of the block from
equilibrium after two cycles.
The maximum upward displacement is _ mm.
Required information NOTE:...
Due Thu 06/06/2019 2:5 A force of 20 lb stretches a spring 2 ft. A 8-lb weight is attached to the spring and the sy...
Due Thu 06/06/2019 2:5 A force of 20 lb stretches a spring 2 ft. A 8-lb weight is attached to the spring and the system is immersed in a medium that imparts a damping force equal to its instantaneous velocity. (a) Find the equation of motion if the weight is released from rest 18 inches above equilibrium position. z(t) Preview (b) the weight is released 18 inches above the equilibrium position with an upward velocity of 3 ft/s. r(t) Preview...
Please show all work! Thank you! P.S. 5.2 Q2 A force of 15 lb stretches a spring 3 ft. A 8-lb weight is attached to the...
Please show all work! Thank you!
P.S. 5.2 Q2
A force of 15 lb stretches a spring 3 ft. A 8-lb weight is attached to the spring and the system is immersed in a medium that imparts a damping force equal to its instantaneous velocity. (a) Find the equation of motion if the weight is released from rest 15 inches above equilibrium position x(t) Preview (b) the weight is released 15 inches above the equilibrium position with an upward velocity...
3. A body weighing 25 lb is suspended from a spring of constant k=160 lb/ft. The...
3. A body weighing 25 lb is suspended from a spring of constant k=160 lb/ft. The system is shown in Figure 1. At time t=0, it has a downward velocity of 2 ft/sec as it passes through the position of static equilibrium. Determine: (a) the static spring deflection. (b) the natural frequency of the system in both rad/sec and cycles/sec. k = 160 lb/ft (c) the system period (d) the displacement x as a function of time, where x is...
(1 point) A mass weighing 8 lb stretches a spring 3 in. Suppose the mass is...
(1 point) A mass weighing 8 lb stretches a spring 3 in. Suppose the mass is displaced an additional 11 in in the positive (downward) direction and then released with an initial upward velocity of 2 ft/s. The mass is in a medium, that exerts a viscuouse resistance of 1 lb when the mass has a velocity of 4 ft/s. Assume g 32 ft/s is the gravitational acceleration (a) Find the mass m (in lb.s/ft) (b) Find the damping coefficient...
Solve using impulse moment of rigid bodies: angular momentum Problem 2 The carriage C (W-Ξ 8 lb) is supported as shown by two uniform disks (WAWB 2 lb), each having a radius rA TB 2.5 in. The carriag...
Solve using impulse moment of rigid bodies: angular momentum
Problem 2 The carriage C (W-Ξ 8 lb) is supported as shown by two uniform disks (WAWB 2 lb), each having a radius rA TB 2.5 in. The carriage is initially at rest. Assume that the disks roll without sliding. Determine the velocity of the carriage t 3 s after the P 1.2 lb force has been applied.
Problem 2 The carriage C (W-Ξ 8 lb) is supported as shown by...
As shown in Figure 3(a), a wooden block B with mass mg 2.4 kg on a rough inclined plane is connected to a massless sp...
As shown in Figure 3(a), a wooden block B with mass mg 2.4 kg on a rough inclined plane is connected to a massless spring (k 160 N/m) by a massless cord passing over a pulley P of radius R 0.25 m and mass M, 0.60 kg. The angle of the inclined plane is 0 37 and the coefficients of static and kinetic frictions are g 0.35 and A 0.30 respectively The frictional force at the axle of the pulley...
please check my answers 1-4 An elevator is ascending at a constant velocity. A block of...
please check my answers 1-4
An elevator is ascending at a constant velocity. A block of mass m is suspended from the ceiling of the elevator by a rope, as shown in the figure 1) Which of the following is true of the magnitude of the tension T in the rope? O T mg (but greater than zero) Now assume the elevator is accelerating upward with a constant non-zero acceleration. 2) Which of the following is true of the magnitude...
A 2.5-lb block is supported as shown by a spring of constant k = 2 lb/in. that can act in tension or compression. The block is in its equilibrium position when it is struck from below by a hammer that imparts to the block an upward velocity of 90 in./s. Determine the position, velocity, and acceleration of the block 0.85 s after it has been struck by the hammer. (Round the final answers to two decimal places. A 177
A 2.5-lb block is supported as shown by a spring of constant k = 2 lb/in. that can act in tension or compression. The block is in its equilibrium position when it is struck from below by a hammer that imparts to the block an upward velocity of 90 in./s. Determine the position, velocity, and acceleration of the block 0.85 s after it has been struck by the hammer. (Round the final answers to two decimal places.) 177
A block weighing 4 kg is supported by a spring with a constant
of k = 128 N/m and a dashpot with a coefficient of viscous
damping of c = 0.6 N·s/m. The block is in equilibrium when
it is struck from below by a hammer that imparts to the block an
upward velocity of 0.4 m/s.
Determine the maximum upward displacement of the block from
equilibrium after two cycles.
The maximum upward displacement is _ mm.
Required information NOTE:...
Due Thu 06/06/2019 2:5 A force of 20 lb stretches a spring 2 ft. A 8-lb weight is attached to the spring and the system is immersed in a medium that imparts a damping force equal to its instantaneous velocity. (a) Find the equation of motion if the weight is released from rest 18 inches above equilibrium position. z(t) Preview (b) the weight is released 18 inches above the equilibrium position with an upward velocity of 3 ft/s. r(t) Preview...
Please show all work! Thank you!
P.S. 5.2 Q2
A force of 15 lb stretches a spring 3 ft. A 8-lb weight is attached to the spring and the system is immersed in a medium that imparts a damping force equal to its instantaneous velocity. (a) Find the equation of motion if the weight is released from rest 15 inches above equilibrium position x(t) Preview (b) the weight is released 15 inches above the equilibrium position with an upward velocity...
3. A body weighing 25 lb is suspended from a spring of constant k=160 lb/ft. The system is shown in Figure 1. At time t=0, it has a downward velocity of 2 ft/sec as it passes through the position of static equilibrium. Determine: (a) the static spring deflection. (b) the natural frequency of the system in both rad/sec and cycles/sec. k = 160 lb/ft (c) the system period (d) the displacement x as a function of time, where x is...
(1 point) A mass weighing 8 lb stretches a spring 3 in. Suppose the mass is displaced an additional 11 in in the positive (downward) direction and then released with an initial upward velocity of 2 ft/s. The mass is in a medium, that exerts a viscuouse resistance of 1 lb when the mass has a velocity of 4 ft/s. Assume g 32 ft/s is the gravitational acceleration (a) Find the mass m (in lb.s/ft) (b) Find the damping coefficient...
Solve using impulse moment of rigid bodies: angular momentum
Problem 2 The carriage C (W-Ξ 8 lb) is supported as shown by two uniform disks (WAWB 2 lb), each having a radius rA TB 2.5 in. The carriage is initially at rest. Assume that the disks roll without sliding. Determine the velocity of the carriage t 3 s after the P 1.2 lb force has been applied.
Problem 2 The carriage C (W-Ξ 8 lb) is supported as shown by...
As shown in Figure 3(a), a wooden block B with mass mg 2.4 kg on a rough inclined plane is connected to a massless spring (k 160 N/m) by a massless cord passing over a pulley P of radius R 0.25 m and mass M, 0.60 kg. The angle of the inclined plane is 0 37 and the coefficients of static and kinetic frictions are g 0.35 and A 0.30 respectively The frictional force at the axle of the pulley...
please check my answers 1-4
An elevator is ascending at a constant velocity. A block of mass m is suspended from the ceiling of the elevator by a rope, as shown in the figure 1) Which of the following is true of the magnitude of the tension T in the rope? O T mg (but greater than zero) Now assume the elevator is accelerating upward with a constant non-zero acceleration. 2) Which of the following is true of the magnitude...
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