Find the terminal speed of the block if the block mass is m=6.3 kgm=6.3 kg, A=28...
Find the terminal speed of the block if the block mass is m=6.3 kgm=6.3 kg, A=28 cm2A=28 cm2, θ=16 ∘θ=16 ∘, and the film is 1-mm-thick SAE 30 oil at 20 ∘C∘C.
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Find the terminal speed of the block if the block mass is m=6.3
kgm=6.3 kg, A=28...
Viscosity of an oil film when an object with a mass of m=0.1 kg and a...
Viscosity of an oil film when an object with a mass of m=0.1 kg
and a cross section of 400 cm2 slides at a constant speed V= 0.049
m/s on an oil film 1 mm thick on a plate inclined 30° to the
horizontal line as shown in the figure. How many N·s/m2 is the
coefficient?
m
A block that is a m square slides from left to right across a flat plate...
A block that is a m square slides from left to right across a flat plate on a thin film of oil. The oil has viscosity μ N·s/m2 and the film is h m thick. The block of mass M kg moves at steady speed U m/s under the influence of constant force F N. (a) Find the magnitude of the shear stresses on the bottom of the block. Indicate the direction of the shear stresses on the bottom of...
magnitude 7. An initially stationary block of mass m is on a floor. A force of...
magnitude 7. An initially stationary block of mass m is on a floor. A force of acceleration due to gravity) is then applied at an angle of θ-20° to the oseontal, What is the magnitude of the acceleration of the block across the floor if p, 0.620 and p 0530 A) Om/s B) 005 m/s C) 2.17 m/s D) 0.20 m/s' E) 20 m/s 28. The same heavy wooden block is dragged by a force F along a rough steel...
Chapter 6, Problem 83P Bookmarlk Show all steps: ON Problem A flat block is pulled along...
Chapter 6, Problem 83P Bookmarlk Show all steps: ON Problem A flat block is pulled along a horizontal flat surface by a horizontal rope perpendicular to one of the sides. The block measures 1.0mx 1.0 m, has a mass of 100 kg and a constant velocity of 1.0 m/s, and is separated from the flat surface by a 0.10-cm- thick oil layer of 15 °C SAE 20 crankcase oil. Find the coefficient of sliding friction for the block. Does this...
6. A journal bearing has shaft with a diameter of 75 mm. The bushing bore is 75.1 mm and the bushing is 37.5 mm long and supports a load of 2 kN. The journal Speed is 720 RPM. Find the minimum film t...
6. A journal bearing has shaft with a diameter of 75 mm. The bushing bore is 75.1 mm and the bushing is 37.5 mm long and supports a load of 2 kN. The journal Speed is 720 RPM. Find the minimum film thickness, the heat loss rate is SAE 20 oil and the operating temperature is 60 C.
6. A journal bearing has shaft with a diameter of 75 mm. The bushing bore is 75.1 mm and the bushing is...
hill slopin Figure P8.63 68. A penduh 64.A block of mass m, 20.0 kg is AMI...
hill slopin Figure P8.63 68. A penduh 64.A block of mass m, 20.0 kg is AMI connected to a block of mass Mm 30.0 kg by a massless string of sphere, s plane. The a distance sus mi string that passes over a light, frictionless pulley. The 30.0-kg block is connected to a spring / that has negligible mass and a force constant of k 250 N/m as shown in Figure P8.64. (The Figure P8.64 spring is unstretched when the...
A block of mass m= 4.4 kg, moving on frictionless surface with a speed = 9.2...
A block of mass m= 4.4 kg, moving on frictionless surface with a speed = 9.2 m/s, makes a perfectly elastic collision with a block of mass M at rest. After the collision, the 4.4 kg block recoils with a speed of Vi= 2.5 m/s. In Figure 8.2, the mass Mis closest to: A) 7.7 kg B) 12 kg C) 5.6 kg D) 21 kg E) 44 kg Answer: A m before after {P. - EP Vor - Vai Vsi...
A block of mass m-1.0 kg (Block 1) at rest is released at A on a...
A block of mass m-1.0 kg (Block 1) at rest is released at A on a smooth circular surface of radius R-30 m as shown in Figure. At the bottom of the surface another block of mass M 2.0 kg (Block 2) is placed. When Block 1 reaches B, it collides with Block 2 and it stops at B. (20 points) a) What is the potential energy of Block 1 at A in J? (2 points) b) How much kinetic...
A block of mass m1 = 1.0 kg initially moving to the right with a speed...
A block of mass m1 = 1.0 kg initially moving to the right with a speed of 3.2 m/s on a frictionless, horizontal track collides with a spring attached to a second block of mass m2 = 3.4 kg initially moving to the left with a speed of 2.6 m/s as shown in figure (a). The spring constant is 530N/m. (A) Find the velocities of the two blocks after the collision. (B) During the collision, at the instant block 1...
A block of mass m = 1.0 kg is placed at rest at a distance 8.15...
A block of mass m = 1.0 kg is placed at rest at a distance 8.15 m (measured along the slope) from the horizontal plane on an incline whose surface makes θ=25o to the horizontal as shown in Figure 2. The coefficient of kinetic friction between the surface where the block is placed and the block is μk = 0.19. After the block starts descending on the slope, find the block’s speed at the time when it reaches the bottom...
Viscosity of an oil film when an object with a mass of m=0.1 kg
and a cross section of 400 cm2 slides at a constant speed V= 0.049
m/s on an oil film 1 mm thick on a plate inclined 30° to the
horizontal line as shown in the figure. How many N·s/m2 is the
coefficient?
m
magnitude 7. An initially stationary block of mass m is on a floor. A force of acceleration due to gravity) is then applied at an angle of θ-20° to the oseontal, What is the magnitude of the acceleration of the block across the floor if p, 0.620 and p 0530 A) Om/s B) 005 m/s C) 2.17 m/s D) 0.20 m/s' E) 20 m/s 28. The same heavy wooden block is dragged by a force F along a rough steel...
Chapter 6, Problem 83P Bookmarlk Show all steps: ON Problem A flat block is pulled along a horizontal flat surface by a horizontal rope perpendicular to one of the sides. The block measures 1.0mx 1.0 m, has a mass of 100 kg and a constant velocity of 1.0 m/s, and is separated from the flat surface by a 0.10-cm- thick oil layer of 15 °C SAE 20 crankcase oil. Find the coefficient of sliding friction for the block. Does this...
6. A journal bearing has shaft with a diameter of 75 mm. The bushing bore is 75.1 mm and the bushing is 37.5 mm long and supports a load of 2 kN. The journal Speed is 720 RPM. Find the minimum film thickness, the heat loss rate is SAE 20 oil and the operating temperature is 60 C.
6. A journal bearing has shaft with a diameter of 75 mm. The bushing bore is 75.1 mm and the bushing is...
hill slopin Figure P8.63 68. A penduh 64.A block of mass m, 20.0 kg is AMI connected to a block of mass Mm 30.0 kg by a massless string of sphere, s plane. The a distance sus mi string that passes over a light, frictionless pulley. The 30.0-kg block is connected to a spring / that has negligible mass and a force constant of k 250 N/m as shown in Figure P8.64. (The Figure P8.64 spring is unstretched when the...
A block of mass m= 4.4 kg, moving on frictionless surface with a speed = 9.2 m/s, makes a perfectly elastic collision with a block of mass M at rest. After the collision, the 4.4 kg block recoils with a speed of Vi= 2.5 m/s. In Figure 8.2, the mass Mis closest to: A) 7.7 kg B) 12 kg C) 5.6 kg D) 21 kg E) 44 kg Answer: A m before after {P. - EP Vor - Vai Vsi...
A block of mass m-1.0 kg (Block 1) at rest is released at A on a smooth circular surface of radius R-30 m as shown in Figure. At the bottom of the surface another block of mass M 2.0 kg (Block 2) is placed. When Block 1 reaches B, it collides with Block 2 and it stops at B. (20 points) a) What is the potential energy of Block 1 at A in J? (2 points) b) How much kinetic...
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