# Block a of mass 2.0 kg and block b of mass 8.0 kg are connected as shown above by a spring of spring

• In the figure below is shown the system below are shown two blocks linked by a string through a pulley, where the block of mass m 1 slides on the frictionless table. We assume that the string is massless and the pulley is massless and frictionless.
• 11. Block A of mass 2.0kg and block B of mass 8.0 kg are connected as shown above by a spring of spring constant 80 N/m and negligible mass. The system is being pulled to the right across a horizontal frictionless surface by a horizontal force of 4.0N, as shown, with both blocks experiencing equal constant acceleration.
• 27.A 3.0-kilogram block is initially at rest on a frictionless, horizontal surface. The block is moved 8.0 meters in 2.0 seconds by the application of a 12-newton horizontal force, as shown in the diagram below. What is the average power developed while moving the block? A) 0.500 s B)2.00 s C) 5.00 s D) 50.0 s
• The first ball , of mass 1.0 kg, is pulled to the side and released, reaching a speed of 2.0 m/s at the bottom of its arc. Then as shown in figure Q9.20 , it hits and sticks to another ball. The speed of the pair just after the collision is 1.2 m/s.
• Jun 01, 2018 · A wooden block with a density of 710 kg/m3 and a volume of 0.012 m3 is attached to the top of a vertical spring whose force constant is k = 540 N/m. Find the amount by which the spring is stretched or compressed if it and the wooden block are (a) in air or (b) completely immersed in water.
• An artillery shell of mass 30 kg has a velocity of 250 m/s vertically upward. The shell explodes into two pieces; immediately after the explosion a fragment of mass 10 kg has a velocity of 120 m/s straight downward. How high above the point of the explosion does the larger fragment rise? Collision Problems d = 4,644.49 m
• Ans. T BC 981 N Fig. 3.1(b) : FBD Problem 2 Block P 5 kg and block Q of mass m kg are suspended through the chord which is in the equilibrium position, as shown in Fig. 3.2(a). Determine the mass of block Q. D A 70 o C 4 3 Solution (i) Consider the FBD of Point B. B 30 o (ii) By Lami's theorem, Q = m kg
• A. 1:0 104 N s B. 2:0 104 N s C. 3:9 104 N s D. 4:3 104 N s 15. The diagram given shows two carts on a horizontal, frictionless surface being pushed apart when a compressed spring attached to one of the carts is released. Cart A has a mass of 3.0 kilograms and cart B has a mass of 5.0 kilograms. The speed of
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• 24) Two masses are connected by a string which goes over an ideal pulley as shown in Figure 6 - 12 . Block A has a mass of 3.0 kg and can slide along a smooth plane inclined 30 ° to the horizontal. What is the mass of block B if the system is in equilibrium? 24) A) 1.5 kgXXX B) 3.0 kg C) 3.5 kg D) 6 .0 kg E) 2.6 kg 25) A 600 - kg car is going ...
• 22) A block is at rest on a rough incline as shown. The frictional force acting on the block, along the incline, is A) greater than the weight of the block. B) zero. C) equal to the weight of the block. D) less than the weight of the block. 22) 23) Two unequal masses M and m are connected by a light cord passing over a pulley of negligible mass.
• The spring is compressed a distance 0.200 m from its equilibrium position. This block, as well as a second block of mass 0.225 kg is at rest on a frictionless floor. The spring is then released suddenly and the 0.180 kg block slides to the right, detaching from the spring, and then collides with the other block, sticking to it. Velcro 0.180 kg
• 5-60) A 10.0-kg block rests on a 5.0-kg bracket, as shown below. The 5.0-kg bracket sits on a frictionless surface. The coefficients of friction between the 10.0-kg block and the bracket on which it rests are = 0.40 and = 0.30. (a) What is the maximum force F that can be applied if the 10.0-kg block is not to slide on the bracket? (b) What is ...
• First draw a free body diagram of the block. A free body diagram shows all the forces acting on the object. Notice that I have defined a rotated set of axes and I labelled them x’ and y’.
• 4) Block A in the figure below has mass 2.00 kg, and block B has mass 5.00 kg. The blocks are forced together, compressing a spring S between them; then the system is released from rest on a level, frictionless surface. The spring, which has negligible mass, is not fastened to either block and drops to the surface after it has expanded. Block B
• Friction coefficient between the block and the plate = μ = 0.58 Mass of the small body = m = 100 g = 0.1 kg (a) Let us find the normal contact force (N) exerted by the plant of the block. N=mv2r=0.1×10050=15=0.2(b) The plate is turned; so, the angle between the normal to the plate and the radius of the rod slowly increases. Therefore, we have:
• A. 6m/s B. 2m/s C. 3m/s D. 4m/s 27. A spring is compressed between two stationary blocks as shown in the diagram. Block A has a mass of 6.0 kilograms. After the spring is released, block A moves west at 8.0 meters per second and block B moves east at 16 meters per second. What is the mass of block B? [Assume no frictional e ects.]
• (16 pts) 9. A block with mass 2.0 kg is released from rest at point .4 on a metal track and slides to point B. as shown on the sketch. At point B the block has Speed tB = 5.0 rn/s. Point A is 8.0 ni above the ground and point B is 2.0 rn above the ground. How much work is done on the block by friction as the block moves from point A to point B ...
• A light spring is attached to the more massive block, and the blocks are pushed together with the spring between them as shown in the figure below. A cord initially holding the blocks together is burned; after that happens, the block of mass 3m moves to the right with a speed of V 2.65 m/s 3m 3m m Before V3N V Зт т After (a) What is the ...
Derivative of ex root 3(c) What is the tension in the part of the string that is connected to the block of mass m? Similarly: 4) As shown in the figure above, blocks A and B are connected by a massless string that passes over the outer edge of a pulley that is a uniform solid disk. Block A has a mass of 3.00 kg. Block B has a mass of 3.00 kg. The pulley has a mass of ...
A tractor pulls two 2000-kg hay wagons, A and B, connected together as shown in Figure 1.44a. If the tractor applies a constant force of 5000 N, determine the acceleration of the two hay wagons, and the force at the point where the two wagons are joined together. Assume no friction. 40 u n i t a : Forc es and Motion: Dynamics Fig.1.44a A B
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• Jul 12, 2012 · A block of mass 3 kg, initially at rest, is pulled along a frictionless, horizontal surface with a force shown as a function of time t by the graph above. The acceleration of the block at t = 2 s is (A) 3/4 m/s2 (B) 4/3 m/s2 (C) 2 m/s2 (D) 8 m/s2 (E) 12 m/s2
• (a) First note that the friction between block A and the incline (µ kA=0.25) is less than between block B and the incline (µ kB=0.35).In the absence of the rope, block A will
• A block of mass m1 = 3.00 kg slides along a frictionless table with a speed of 13.0 m/s. Directly in front of it, and moving in the same direction, is a block of mass m2 = 4.00 kg moving at 1.00 m/s. A massless spring with a spring constant k = 1620 N/m is attached to the backside of m2.

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(A) ½ t (B) t (C) √2 t (D) 2t 2. A block of mass M is initially at rest on a frictionless floor. The block, attached to a massless spring with spring constant k, is initially at its equilibrium position. An arrow with mass m and velocity v is shot into the block. The arrow sticks in the block. What is the maximum compression of the spring? m ...
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6. (10 points) In the diagram, block 1(M 1=2.0kg) lies on frictionless incline of 53.1°, and is moving 2up the incline with acceleration a=1.04mis−. Block 1 is connected by an ideal rope through a frictionless pulley to block 2 ( M 2=7kg), which rests on a 36.9° incline with friction. Block 2 is acted on by an applied horizontal force of ...
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14. In the ﬁgure below, the pulley has negligible mass, and both it and the inclined plane are frictionless. Block A has a mass of 1.00 kg, block B has a mass of 2.00 kg and the angle of the incline is 30.0o.Iftheblocksarereleasedfromrest,whatisthevelocityofblockAwhen block B has fallen 25.0 cm? a. 1.28 m/s. b. 2.21 m/s. c. 3.13 m/s. d. 2.71 m/s.
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A block of mass m1=3.70kg on a frictionless plane inclined at angle 30 deg is connected by a The blocks A and B are connected by a piece of spring. Block B rests on a smooth inclined plane The figure below shows a block of mass m resting on a 20¡ã slope. The block has coefficients of friction...
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A block A with mass 1 0 0 K g is resting on another block B of mass 2 0 0 k g As shown in figure a horizontal rope tighten to a wall holds it. The coefficient of friction between A and B is 0. 2 while coefficient of friction between B and the ground is 0. 3. The minimum force required to move block B will be
• Conversion of density units Definition: density = mass divided by volume; symbol ρ = m / V ρ (rho) = density, m = mass, V = volume. The SI unit of density is kg/m 3. Water of 4 °C is the reference ρ = 1000 kg/m 3 = 1 kg/dm 3 = 1 kg/l or 1 g/cm 3 = 1 g/ml.
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• 18. When a body of mass 1.0 kg is suspended from a certain light spring hanging vertically, its length increases by 5 cm. By suspending 2.0 kg block to the spring and if the block is pulled through 10 cm and released, the maximum velocity of it (in m/s) is:-(1)0.5 (2) 1 (3) 2 (4) 4 19. In the circuit shown in figure, the resistance of voltmeter ... Oct 13, 2010 · Question #18 Consider the situation shown in the drawing. Block A has a mass 1.0 kg and block B has a mass 3.0 kg. The two blocks are connected by a very light rope of negligible mass that passes over a pulley as shown. The coefficient of kinetic friction for the blocks on the ramp is 0.33. The ramp is angled at = 45 .
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• Jun 01, 2018 · A wooden block with a density of 710 kg/m3 and a volume of 0.012 m3 is attached to the top of a vertical spring whose force constant is k = 540 N/m. Find the amount by which the spring is stretched or compressed if it and the wooden block are (a) in air or (b) completely immersed in water.
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• A 3.0-kg block slides along a frictionless tabletop at 8.0 m/s toward a second block (at rest) of mass 4.5 kg. A coil spring, which obeys Hooke's law and has spring constant k = 830N/m , is attached to the second block in such a way that it will be compressed when struck by the moving block. Part A
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• A) 2.7 × 103 kg B)2.0 × 103 kg C) 1.5 × 103 kg D) 1.1 × 103 kg 23.Satellite A has a mass of 1.5 × 103 kilograms and is traveling east at 8.0 × 103 meters per second. Satellite B is traveling west at 6.0 × 103 meters per second. The satellites collide head-on and come to rest. What is the mass of satellite B?
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