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2. (2 points) A 7.00-kg aluminum block and a 12.00-kg copper block are connected by a...
1. (1 point) A 60.0-kg person is being pulled away from a burning building as shown...
1. (1 point) A 60.0-kg person is being pulled away from a burning building as shown in Figure 1. a. Choose your coordinate system. b. Draw free body diagram. c. List all forces applied. d. List all equations with all knowns needed to solve all unknowns (T1 and T2). Figure 1 15 T T2 ...10 2. (2 points) A 7.00-kg aluminum block and a 12.00-kg copper block are connected by a light string over a frictionless pulley. The two blocks...
An aluminum block of mass mı = 3.85 kg and a copper block of mass m2...
An aluminum block of mass mı = 3.85 kg and a copper block of mass m2 = 7.00 kg are connected by a light string over a frictionless pulley. They sit on a steel surface as shown in the figure below, where e = 39.09. (See this table for the appropriate coefficients of friction). Aluminum Copper Swel (a) When they are released from rest, will they start to move? Yes No (b) If the blocks move, determine the magnitude of...
-12 points SerCP10 4.P.067. My Notes Ask Your Teacher Am = 1.70-kg aluminum block and a...
-12 points SerCP10 4.P.067. My Notes Ask Your Teacher Am = 1.70-kg aluminum block and a m2 = 6.60-kg copper block are connected by a light string over a frictionless pulley. The two blocks are allowed to move on a fixed steel block wedge (of angle = 32.0°) as shown in the figure. (For aluminum on steel, H = 0.61 and 4x -0.47. For copper on steel, us - 0.53 and x = 0.36.) Aluminum Copper Steel (a) the acceleration...
10. + 0/4 points Previous Answers SerPOP4 5.P.038. My NC A 2.00 kg aluminum block and...
10. + 0/4 points Previous Answers SerPOP4 5.P.038. My NC A 2.00 kg aluminum block and a 7.10 kg copper block are connected by a light string over a frictionless pulley. They sit on a steel surface, as shown in Figure P5.38, where 0 = 33.0°. Aluminum Copper m2 Steel Figure P5.38 When they are released from rest, will they start to move? Refer to Table 5.1 for the coefficients of friction. O Yes Ο Νο If so, determine the...
An aluminum block of mass m 4.55 kg and a copper bilock of mass m2-8.55 kg...
An aluminum block of mass m 4.55 kg and a copper bilock of mass m2-8.55 kg are connected by a light string over a fritionless shown in the figure below, where 8-37.0, (See this table for the approprilate coeficients of friction). Aluminum Copper O No (b) If the blocks move, determine the magnitude of their acceleration. (f the blocks do not move, enter o,) m/s (e) If the blocks move, determine the magnitude of the tension in the string. (If...
Two blocks of mass m_1 = 3.00 kg and m_2 = 7.00 kg are connected by...
Two blocks of mass m_1 = 3.00 kg and m_2 = 7.00 kg are connected by a massless string that passes over a frictionless pulley (see the figure below). The inclines are frictionless Find the magnitude of acceleration of each block. m/s^2 Find the tension in the string. N
27 only (26) A block of mass mi located on a horizontal frictionless surface is connected...
27 only
(26) A block of mass mi located on a horizontal frictionless surface is connected by a light non-stretchable cord that passes over a massless frictionless pulley to a second block of mass m2, which is allowed to move on an inclined friction- less plane of angle e, as shown in Fig. 5.37. Find the acceleration of the two blocks and the tension in the cord when mı = 2 kg, m2 =6 kg, sin 0 =4/5, and cos...
A block of mass m2 = 38 kg on a horizontal surface is connected to a...
A block of mass m2 = 38 kg on a horizontal surface is connected to a mass m2 = 20.1 kg that hangs vertically as shown in the figure below. The two blocks are connected by a string of negligible mass passing over a frictionless pulley. The coefficient of kinetic friction between m, and the horizontal surface is 0.24. m (a) What is the magnitude of the acceleration (in m/s2) of the hanging mass? 3.39 Did you draw a free-body...
A 100 g block of copper (p = 8900 kg/m^3) and a 100 g block of...
A 100 g block of copper (p = 8900 kg/m^3) and a 100 g block of aluminum (p = 2700 kg/m^3) are connected by a massless string that runs over two massless, frictionless pulleys. The two blocks exactly balance, since they have the same mass. Now suppose the two blocks are submerged in water. What will happen? The copper block will fall, the aluminum block will rise. The aluminum block will fall, the copper block will rise. Nothing will change...
2) Two blocks, ?1 = 2.00 kg and ?2 = 4.00 kg, are connected via a...
2) Two blocks, ?1 = 2.00 kg and ?2 = 4.00
kg, are connected via a rope that passes under a pulley as in the
figure below. The block of mass is on a frictionless surface
inclined at ? = 25° to the horizontal and is subject to a force
F = 26.0 N that is directed at ? = 15° to the slope.
Determine the acceleration of the blocks and the tension in the
rope.
F m 2 m...
1. (1 point) A 60.0-kg person is being pulled away from a burning building as shown in Figure 1. a. Choose your coordinate system. b. Draw free body diagram. c. List all forces applied. d. List all equations with all knowns needed to solve all unknowns (T1 and T2). Figure 1 15 T T2 ...10 2. (2 points) A 7.00-kg aluminum block and a 12.00-kg copper block are connected by a light string over a frictionless pulley. The two blocks...
An aluminum block of mass mı = 3.85 kg and a copper block of mass m2 = 7.00 kg are connected by a light string over a frictionless pulley. They sit on a steel surface as shown in the figure below, where e = 39.09. (See this table for the appropriate coefficients of friction). Aluminum Copper Swel (a) When they are released from rest, will they start to move? Yes No (b) If the blocks move, determine the magnitude of...
-12 points SerCP10 4.P.067. My Notes Ask Your Teacher Am = 1.70-kg aluminum block and a m2 = 6.60-kg copper block are connected by a light string over a frictionless pulley. The two blocks are allowed to move on a fixed steel block wedge (of angle = 32.0°) as shown in the figure. (For aluminum on steel, H = 0.61 and 4x -0.47. For copper on steel, us - 0.53 and x = 0.36.) Aluminum Copper Steel (a) the acceleration...
10. + 0/4 points Previous Answers SerPOP4 5.P.038. My NC A 2.00 kg aluminum block and a 7.10 kg copper block are connected by a light string over a frictionless pulley. They sit on a steel surface, as shown in Figure P5.38, where 0 = 33.0°. Aluminum Copper m2 Steel Figure P5.38 When they are released from rest, will they start to move? Refer to Table 5.1 for the coefficients of friction. O Yes Ο Νο If so, determine the...
An aluminum block of mass m 4.55 kg and a copper bilock of mass m2-8.55 kg are connected by a light string over a fritionless shown in the figure below, where 8-37.0, (See this table for the approprilate coeficients of friction). Aluminum Copper O No (b) If the blocks move, determine the magnitude of their acceleration. (f the blocks do not move, enter o,) m/s (e) If the blocks move, determine the magnitude of the tension in the string. (If...
Two blocks of mass m_1 = 3.00 kg and m_2 = 7.00 kg are connected by a massless string that passes over a frictionless pulley (see the figure below). The inclines are frictionless Find the magnitude of acceleration of each block. m/s^2 Find the tension in the string. N
27 only
(26) A block of mass mi located on a horizontal frictionless surface is connected by a light non-stretchable cord that passes over a massless frictionless pulley to a second block of mass m2, which is allowed to move on an inclined friction- less plane of angle e, as shown in Fig. 5.37. Find the acceleration of the two blocks and the tension in the cord when mı = 2 kg, m2 =6 kg, sin 0 =4/5, and cos...
A block of mass m2 = 38 kg on a horizontal surface is connected to a mass m2 = 20.1 kg that hangs vertically as shown in the figure below. The two blocks are connected by a string of negligible mass passing over a frictionless pulley. The coefficient of kinetic friction between m, and the horizontal surface is 0.24. m (a) What is the magnitude of the acceleration (in m/s2) of the hanging mass? 3.39 Did you draw a free-body...
A 100 g block of copper (p = 8900 kg/m^3) and a 100 g block of aluminum (p = 2700 kg/m^3) are connected by a massless string that runs over two massless, frictionless pulleys. The two blocks exactly balance, since they have the same mass. Now suppose the two blocks are submerged in water. What will happen? The copper block will fall, the aluminum block will rise. The aluminum block will fall, the copper block will rise. Nothing will change...
2) Two blocks, ?1 = 2.00 kg and ?2 = 4.00
kg, are connected via a rope that passes under a pulley as in the
figure below. The block of mass is on a frictionless surface
inclined at ? = 25° to the horizontal and is subject to a force
F = 26.0 N that is directed at ? = 15° to the slope.
Determine the acceleration of the blocks and the tension in the
rope.
F m 2 m...
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