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A 4. 860 kg block of wood rests on a steel desk. The coefficient of static frict
A 4. 860 kg block of wood rests on a steel desk. The coefficient of static friction between the block and the desk is mu s = 0. 555 and the coefficient of kinetic friction mu k = …
A 4.0 -kg sphere is suspended by a cord that passes over a 1.9 -kg pulley of rad
A 4.0-kg sphere is suspended by a cord that passes over a 1.9-kg pulley of radius 3.4 cm. The cord is attached to a spring whose force constant isk = 86 N/m as in the figure below…
A 4.0 ??F and a 1.0 ??F capacitor are connected in parallel and both are charged
A 4.0 ??F and a 1.0 ??F capacitor are connected in parallel and both are charged with a 12. volt battery. They are disconnected from the battery and reconnected positive side of t…
A 4.0 ?F capacitor is connected in series with a 2.0 k resistor across a 20-V DC
A 4.0 ?F capacitor is connected in series with a 2.0 k resistor across a 20-V DC source and an open switch. If the switch is closed at t = 0 s, what is the charge on the capacitor…
A 4.0 Ohm resistor it connected to the terminals of a non-ideal battery of emf 1
A 4.0 Ohm resistor it connected to the terminals of a non-ideal battery of emf 18 V. The current in the circuit is measured lo be 3.0 A Find the internal resistance of the battery…
A 4.0 c m -tall object is 10 c m in front of a convex mirror that has a -25 c m
A 4.0cm -tall object is 10cm  in front of a convex mirror that has a -25cm  focal length. A) Calculate the image position. B )Calculate the image height. A 4.0cm -tall object is 1…
A 4.0 cm -tall object is 12 cm in front of a converging lens that has a 20 cm fo
A 4.0 cm -tall object is 12 cm in front of a converging lens that has a 20 cm focal length. Part A Calculate the image position. Express your answer using two significant figures.…
A 4.0 cm tall object is 5.0 cm in front of a diverging lens with a focal length
A 4.0 cm tall object is 5.0 cm in front of a diverging lens with a focal length of -6.0cm. A converging lens with a focal length of 6.0 cm is located 8.0 cm behind the diverging l…
A 4.0 g bullet leaves the muzzleof a rifle with a speed of 312 m/s.What force (a
A 4.0 g bullet leaves the muzzleof a rifle with a speed of 312 m/s.What force (assumed constant) is exerted on the bullet while it istraveling down the 0.89 m long barrelof the ri…
A 4.0 g bullet traveling horizontally with a speed of 400 m/s, is fired into a w
A 4.0 g bullet traveling horizontally with a speed of 400 m/s, is fired into a wooden block with mass 0.8 kg, initially at rest on a level surface. The bullet passes through the b…
A 4.0 kg block at rest on a tabletopis attached to a horizontal spring having co
A 4.0 kg block at rest on a tabletopis attached to a horizontal spring having constant 19.6 N/m as inFigure P13.12. The spring is initially unstretched. A constant 20 Nhorizontal …
A 4.0 kg block moving to the right with a speed of 10 m/s collides with a 5.0 kg
A 4.0 kg block moving to the right with a speed of 10 m/s collides with a 5.0 kg block moving to the right with a speed of 4.0 m/s. The duration of the collision is 10.0 milliseco…
A 4.0 kg block rests at the edge of a disk with a mass of 5.0 kg and a radius of
A 4.0 kg block rests at the edge of a disk with a mass of 5.0 kg and a radius of 30 cm. (a) A 2 N force is applied to the edge of the disk. What is the angular acceleration of the…
A 4.0 kg block, lying on a smooth table, is connected to a 5.0 kg block by means
A 4.0 kg block, lying on a smooth table, is connected to a 5.0 kg block by means of a weightless cord passing over, without slipping, a cylindrical pulley of 2.0 kg mass and 10.0 …
A 4.0 kg box is raised from rest adistance of 3.0 m by a vertical force of120 N.
A 4.0 kg box is raised from rest adistance of 3.0 m by a vertical force of120 N. (a) Find the work done by the force. J (b) Find the work done by gravity. J (c) Find the final kin…
A 4.0 kg bundle starts up a 30° incline with 128 J ofkinetic energy. How far wil
   A 4.0 kg bundle starts up a 30° incline with 128 J ofkinetic energy. How far will it slide up the incline if thecoefficient of kinetic friction between bundle and incline is0.3…
A 4.0 kg mass has a velocity of 10 m/s to the EAST. The 4.0 kg mass undergoes an
A 4.0 kg mass has a velocity of 10 m/s to the EAST. The 4.0 kg mass undergoes an acceleration of 4.0 m/s^2 to the WEST for 3.0 seconds. What is the velocity of the 4.0 kg mass at …
A 4.0 kg mass has a velocity of 10 m/s to the EAST. The 4.0 kg mass undergoes an
A 4.0 kg mass has a velocity of 10 m/s to the EAST. The 4.0 kg mass undergoes an acceleration of 4.0 m/s^2 to the WEST for 3.0 seconds. What is the velocity of the 4.0 kg mass at …
A 4.0 kg mass is attached to a spring constant, k=2500N/m and isresting on a fri
A 4.0 kg mass is attached to a spring constant, k=2500N/m and isresting on a frictionless horizontal surface. The spring isstretched by pulling on the mass until the amount of pot…
A 4.0 kg mass is attached to a spring that has a springconstant, k = 2500 N/m, a
   A 4.0 kg mass is attached to a spring that has a springconstant, k = 2500 N/m, and is resting on a frictionless horizontalsurface. The spring is stretched by pulling on the mas…
A 4.0 kg mass is hanging freely some distance above the floor. It is suspended b
A 4.0 kg mass is hanging freely some distance above the floor. It is suspended by a light cable which passes over a massless pulley fixed to the edge of a table, and has its other…
A 4.0 kg mass is hanging freely some distance above the floor. It is suspended b
A 4.0 kg mass is hanging freely some distance above the floor. It is suspended by a light cable which passes over a massless pulley fixed to the edge of a table, and has its other…
A 4.0 kg object is moving at 5.0m/s NORTH. It strikes a 6.0 kg object moving WES
A 4.0 kg object is moving at 5.0m/s NORTH. It strikes a 6.0 kg object moving WEST at 2.0 m/s. The objects have completely stuck together. What is the velocity of the 4.0 kg object…
A 4.0 kg object is released from rest at a height of 4m on a curved ramp the cur
A 4.0 kg object is released from rest at a height of 4m on a curved ramp the curved surface is frictionless but the horizontal part of it is rough with uk=0.160 the object slides …
A 4.0 kg object undergoes an acceleration of 2.7m/s 2. (a) What is the magnitude
A 4.0 kg object undergoes an acceleration of 2.7m/s2. (a) What is the magnitude of the resultant force acting onit? (b) If this same force is applied to a 4.0 kg object, whataccel…
A 4.0 kg shell is shot with an initial velocity of magnitude 20.0 m/s at an angl
A 4.0 kg shell is shot with an initial velocity of magnitude 20.0 m/s at an angle of 60o with the horizontal. At the top of the trajectory, the shell explodes into two fragments. …
A 4.0 kg stone slides from rest down a hill 5.0 m high and is observed to be mov
A 4.0 kg stone slides from rest down a hill 5.0 m high and is observed to be moving at 8.0 m/s at the bottom. During this process 68 J of thermal energy have been produced A) True…
A 4.0 kg stone slides from rest down a hill 5.0 m high and is observed to be mov
A 4.0 kg stone slides from rest down a hill 5.0 m high and is observed to be moving at 8.0 m/s at the bottom. During this process 68 J of thermal energy have been produced A) True…
A 4.0 kg toboggan rests on a frictionless icy surface, anda 2.0 kg block rests o
A 4.0 kg toboggan rests on a frictionless icy surface, anda 2.0 kg block rests on top of the toboggan. The coefficient of static friction ms between the block and the surface of t…
A 4.0 kg toy race car can move along an x axis. The figure below gives F x of th
A 4.0 kg toy race car can move along an x axis. The figure below gives Fx of the force acting on the car, which begins at rest at time t=0. a) In unit-vector notation, what is the…
A 4.0 kg toy race car can move along an x axis. The figure below gives Fx of the
A 4.0 kg toy race car can move along an x axis. The figure below gives Fx of the force acting on the car, which begins at rest at time t = 0. (The vertical axis is marked in incre…
A 4.0 m diameter merry-go-round is rotating freely with an angular velocity of 0
A 4.0 m diameter merry-go-round is rotating freely with an angular velocity of 0.70 rad/s. Its total moment of inertia is 2300 kg·M2. Four people standing on the ground, each of 6…
A 4.0 m steel beam with a cross sectional area of 1.0 x 10 –2 m 2 and a Young\
A 4.0 m steel beam with a cross sectional area of 1.0 x 10–2 m2 and a Young's modulus of 2.0 x 1011 N/m2 is wedged horizontally between two vertical walls. In order to wedge the…
A 4.0 micro Coulomb is 3.0 meters away from a 1.0 micro Coulomb charge. There ar
A 4.0 micro Coulomb is 3.0 meters away from a 1.0 micro Coulomb charge. There are no other charges in the area. Where should a third charge (of unknown size) be placed so that the…
A 4.0 mu F and a 6.0 mu F capacitor are connected in series across an 8.0 V DC s
A 4.0 mu F and a 6.0 mu F capacitor are connected in series across an 8.0 V DC source. What is the charge on the 4.0 mu F capacitor? 19 mu C 25 mu C 40 mu C 20 mu C 12 mu C A syst…
A 4.0 mu F and a 6.0 mu F capacitor are connected in series across an 8.0 V DC s
A 4.0 mu F and a 6.0 mu F capacitor are connected in series across an 8.0 V DC source. What is the charge on the 4.0 mu F capacitor? 19 mu C 25 mu C 40 mu C 20 mu C 12 mu C A syst…
A 4.0 × 10 2 -nm thick film of kerosene( n = 1.2) is floating on water. White li
A 4.0 × 102-nm thick film of kerosene(n = 1.2) is floating on water. White light is normallyincident on the film. What is the visible wavelength inair that has a maximum intensity…
A 4.0- kg wooden block rests on a level table. The coefficient of friction betwe
A 4.0- kg wooden block rests on a level table. The coefficient of friction between the block and the table is 0.18. A 5.0- kg mass is attached to the block by a horizontal string …
A 4.0- m-long iron bar of uniform cross section is held perpendicular to the wal
A 4.0- m-long iron bar of uniform cross section is held perpendicular to the wall by a wire from the end of the bar to the wall (see the figure). The bar is fastened to the wall w…
A 4.0-Kg particle is moving with a velocity 20.0 m/s in the +xdirection when it
A 4.0-Kg particle is moving with a velocity 20.0 m/s in the +xdirection when it is at position x=1.0 For x>1.0 m, the particleexperiences a single force F= (-x)i, where =36.0N …
A 4.0-cm tall object is placed 70.0 cm from a diverging lens having a focal leng
A 4.0-cm tall object is placed 70.0 cm from a diverging lens having a focal length of magnitude 35.0 cm. What are the nature and location of the image? The image is virtual, 4.0 c…
A 4.0-cm tall object is positioned 12.0 cm in front of a converging lens. The fo
A 4.0-cm tall object is positioned 12.0 cm in front of a converging lens. The focal length of the converging lens is 8.0 cm. 20 cm behind the converging lens is a diverging lens w…
A 4.0-cm-diameter loop with resistance 0.10 around a 2.0-cm-diameter solenoid. T
A 4.0-cm-diameter loop with resistance 0.10 around a 2.0-cm-diameter solenoid. The solenoid is 12 cm long, has 100 turns, and carries the current shown in the graph. A positive cu…
A 4.0-cm-diameter loop with resistance 0.13 Ohm around a 2.0-cm-diameter solenoi
A 4.0-cm-diameter loop with resistance 0.13 Ohm around a 2.0-cm-diameter solenoid. The solenoid is 13 cm long, has 100 turns, and carries the current shown in the graph. A positiv…
A 4.0-cm-diameter loop with resistance 0.13 Ohm around a 2.0-cm-diameter solenoi
A 4.0-cm-diameter loop with resistance 0.13 Ohm around a 2.0-cm-diameter solenoid. The solenoid is 11 cm long, has 100 turns, and carries the current shown in the graph. A positiv…
A 4.0-cm-diameter loop with resistance 0.17? around a 2.0-cm-diameter solenoid.
A 4.0-cm-diameter loop with resistance 0.17? around a 2.0-cm-diameter solenoid. The solenoid is 14cm long, has 100 turns, and carries the current shown in the graph. A positive cu…
A 4.0-cm-diameter loop with resistance 0.19 around a 2.0-cm-diameter solenoid. T
A 4.0-cm-diameter loop with resistance 0.19 around a 2.0-cm-diameter solenoid. The solenoid is 15 cm long, has 100 turns, and carries the current shown in the graph. A positive cu…
A 4.0-cm-tall object is 20cm in front of a concave mirror that has a 25 cm focal
A 4.0-cm-tall object is 20cm in front of a concave mirror that has a 25 cm focal length. Part A Calculate the image position. Express your answer to two significant figures and in…
A 4.0-cm-tall object is 80cm in front of a converging lens that has a 40cm focal
A 4.0-cm-tall object is 80cm in front of a converging lens that has a 40cm focal length. Problem 18.30 A 4.0-cm-tall object is 80 cm in front of a converging lens that has a 40 cm…
A 4.0-kg block and a 2.0-kg block are connected to opposite ends of a relaxed sp
A 4.0-kg block and a 2.0-kg block are connected to opposite ends of a relaxed spring of spring constant 300 N/m. The blocks are pushed toward each other for 0.5 s. The 4.0-kg bloc…