# A 1.400 kg bead slides on a curved wire, starting from rest at point A in Figure P5.28. If the wire is frictionless, find each of the following

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### physics

A .400 kg bead slides on a curved wire, starting from rest at point A. If the wire in problem 61 is frictionless between points A and B (down 5m) and rough between B and C (up 2m), and if the bead starts from rest at A, (a) find the speed at B. (b) If the bead comes to rest at...

### physics

A 0.395-kg blue bead slides on a frictionless, curved wire, starting from rest at point in the figure below, where h = 1.50 m. At point , the blue bead collides elastically with a 0.650-kg green bead at rest. Find the maximum height the green bead rises as it moves up the wire.

### PHY 101

A 0.425-kg blue bead slides on a frictionless, curved wire, starting from rest at point where h = 1.50 m. At point , the blue bead collides elastically with a 0.675-kg green bead at rest. Find the maximum height the green bead rises as it moves up the wire. PLEASE HELP I HAVE ...

### General Physics

A 0.377 kg bead slides on a curved wire, starting from rest at point A(4.8 meters) as shown in the figure. The acceleration of gravity is 9.8 m/s2 . A. If the wire is frictionless, find the speed of the bead at B(0 Meters). Answer in units of m/s B. Find the speed of the bead ...

### physics

a green bead of mass 70 g slides along a straight wire. The length of the wire from point "A" to point "B" is 0.700 m, and point "A" is 0.400 m higher than point "B". A constant friction force of magnitude 0.020 0 N acts on the bead. If the bead is released from rest at point...

### physics

a green bead of mass 70 g slides along a straight wire. The length of the wire from point "A" to point "B" is 0.700 m, and point "A" is 0.400 m higher than point "B". A constant friction force of magnitude 0.020 0 N acts on the bead. If the bead is released from rest at point...

### Physics

A 0.299 kg bead slides on a curved wire, start-ing from rest at point A as described below: A: a crest (hill) 6.15 m high b: a valley between A and C C: a crest (hill) 1.85 m high The acceleration of gravity is 9.8 m/s2 . 1) If the wire is frictionless, find the speed of the ...

### physics

As shown in the figure below, a green bead of mass 50 g slides along a straight wire. The length of the wire from point to point is 0.800 m, and point is 0.500 m higher than point . A constant friction force of magnitude 0.020 0 N acts on the bead. (a) If the bead is released ...

### Physics

A 0.500 kg bead slides on a straight frictionless wire with a velocity of 1.50 cm/s to the right. The bead collides elastically with a larger 0.750 kg bead initially at rest. After the collision, the smaller bead moves to the left with a velocity of 0.70 cm/s. Find the ...

### physics

A bead slides on the frictionless wire as shown in the figure attached. If the speed of the beead is 2.0 m/s when its at A, how fast will the bead be going at point B and at point C?

### DUMANGEZE

A 0.04KG BEAD SLIDES ON A CURVED STARTING FROM REST AT POINT A.THE EARTH FROM A AND B IS FRICTIONLESS ,WHILST THE PATH FROM B TO C IS ROUGH.IF THE BEAD ARRIVES AT POINT C WITH A SPEED OF 1M/S DERTIMINETHE AMOUNT OF WORKDONE BY THE FRICTIONAL FORCE IN PASSING FROM B TO C?

### physics

A red bead releasd from rest at height H slides down a wire without sticking to a green bead initally at rest. The mass of the green bead is half that of the stuck together beads both continue to slide down the wire and then slide back up. With the starting height of the green...

### physics

A small bead of mass 100 g is able to slide along a frictionless wire. The wire is bent into a semicircle of radius 10 cm and rotates about a vertical axis with angular velocity 12.5 rad/s. (i) Draw a free body diagram depicting the forces acting on the bead (ii) For what ...

### Physics

A wire is frictionless between points A and B and rough between B and C. A is 5m above the ground, B is zero, and C is 2m above the ground. The 0.400kg bead starts from rest at A. If the bead comes to rest at C, find the loss in mechanical energy as it goes from B to C. I can'...

### General Physics

The 5 kg block in the figure slides down a frictionless curved ramp, starting from rest at a height of h = 3 m. The block then slides d = 12 m on a rough horizontal surface before coming to rest.What is the coefficient of friction between the block and the horizontal surface?

### physics

The 2 kg block in Figure 7-25 slides down a frictionless curved ramp, starting from rest at a height of h = 3 m. The block then slides d = 12 m on a rough horizontal surface before coming to rest. Figure 7-25 (a) What is the speed of the block at the bottom of the ramp? (b) ...

### Physics

Two current carrying wires cross at right angles as indicated in the figure. If the wires are not restrained, what statement best describes the motion of the wires? Hint: To help you visualize the situation, draw first the magnetic field that Wire 1 makes at the points shown ...

### physics

A box is suspended by a steel wire via a frictionless pulley The wire has a mass per length of µ = 24.5 × 10 − 3 kg/m. The box is so heavy and the wire so thin that the mass of the wire does not influence the wire tension. The horizontal part of the wire has a length l...

### physics

A circular steel wire 2.00 m is to stretch no more than 0.25 cm when a tensile force of 400 N is applied to each end of wire. What minimum diameter is required for the wire?

### physics

a bead on a wire 30m high is released and reaches point A, where is loops twice towards the right. what is the velocity and acceleration at point A-D? point A is at 20m directly below from starting point. Point B is 10m at the bottom of the first loop. point C is in between ...

### physics

A uniform horizontal wire with a linear mass density of 0.48 g/m carries a 1.9 A current. It is placed in a constant magnetic field, with a strength of 3.5 10-3 T, that is horizontal and perpendicular to the wire. Neglect the magnetic field of the Earth. (a) As the wire moves ...

### Physics 2

The wire in the figure below carries a current of 13 A. Suppose that a second long, straight wire is placed right next to this wire. The current in the second wire is 26 A. Use Ampère's law to find the magnitude of the magnetic field at a distance of r = 0.72 m from the wires...

### Physics 2

The wire in the figure below carries a current of 13 A. Suppose that a second long, straight wire is placed right next to this wire. The current in the second wire is 26 A. Use Ampère's law to find the magnitude of the magnetic field at a distance of r = 0.72 m from the wires...

### Physics 2

The wire in the figure below carries a current of 12 A. Suppose that a second long, straight wire is placed right next to this wire. The current in the second wire is 30 A. Use Ampère's law to find the magnitude of the magnetic field at a distance of r = 0.72 m from the wires...

### Physics

The figure below shows two current carrying wires and the directions of the currents they carry. The wires carry the following currents: I1 = 7.1 A and I2 = 8.9 A. Wire 1 is at (0, 5.8) mm; wire 2 is at (15.1, 0) mm; point P is at (15.1, 5.8) mm. Wire 1 is pointing into the ...

### physics

Consider two copper wires with the same cross-sectional area. Wire A is twice as long as wire B. How do the resistivities and resistances of the two wires compare? CHECK ALL THAT APPLY Wire A and wire B have the same resistance. Wire A has twice the resistivity of wire B. Wire...

### physics

A stone is suspended from the free end of a wire that is wrapped around the outer rim of a pulley, as shown in the figure (see the figure ). The pulley is a uniform disk with mass 10.4 and radius 51.0 and turns on frictionless bearings. You measure that the stone travels a ...

### Physics

A long straight horizontal segment of wire with 0.060 m traverses a west magnetic field with 2.0 T. If a south current with 4.0 A flows through the wire, which one of the following statements concerning the effect of the magnetic force on the wire is true. a) The wire will be ...

### Physics

During a storm, a tree limb breaks off and comes to rest across a barbed wire fence at a point that is not in the middle between two fence posts. The limb exerts a downward force of 148 N on the wire. The left section of the wire makes an angle of 12° relative to the ...

### Math

An electrician was hired to run the wires for a surround-sound stereo speaker system. She purchased 2 rolls of 14-gauge speaker wire. Each roll contains 4 m of wire. For each of 2 speakers, 2 ft. of wire are required. For each of the other 2 speakers, 11 ft. of wire are ...

### Physics

A long horizontal wire carries a current of 48A . A second wire, made of 2.6mm diameter copper wire and parallel to the first, is kept in suspension magnetically 15cm below(Figure 1) . Determine the magnitude of the current in the lower wire.

### physics

A long horizontal wire carries a current of 48A . A second wire, made of 2.6mm diameter copper wire and parallel to the first, is kept in suspension magnetically 15cm below(Figure 1) . Determine the magnitude of the current in the lower wire.

### physics

Starting with an initial speed v0, a mass m slides down a curved frictionless track (a shown in the figure below), arriving at the bottom with a speed v. From what vertical elevation h did it start?

### physics

Two spherical conducting wires A and B are connected to the same potential difference. Wire A is three times as long as wire B, with a radius double that of wire B and resistivity doubles that of wire B. What is the power delivered to wire A to the power delivered to wire B?

### Physics

A thin straight wire 20 cm in length carries a charge of one microcoulomb. Calculate the electric intensity and potential at a point P on the axis of the wire at a distance of 30 cm from the mid point of the wire.

### Physics

A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball is released from rest (see the drawing). It swings downward and strikes a block initially at rest on a horizontal frictionless surface. Air ...

### Physics

A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball is released from rest (see the drawing). It swings downward and strikes a block initially at rest on a horizontal frictionless surface. Air ...

### physics

A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball is released from rest (see the drawing). It swings downward and strikes a block initially at rest on a horizontal frictionless surface. Air ...

### physics

A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball is released from rest (see the drawing). It swings downward and strikes a block initially at rest on a horizontal frictionless surface. Air ...

### physics

A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball is released from rest (see the drawing). It swings downward and strikes a block initially at rest on a horizontal frictionless surface. Air ...

### Physics

A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball is released from rest (see the drawing). It swings downward and strikes a block initially at rest on a horizontal frictionless surface. Air ...

### physics

Two spherical conducting wires A and B are connected to the same potential difference. Wire A is three times as long as wire B, with a radius double that of wire B and resistivity doubles that of wire B. What is the ratio power delivered to wire A to the power delivered to ...

### Check my answers Ms. Sue

A student made an electromagnet using a battery, electrical tape, and metal wire. Which of the following actions will NOT increase the magnetic field that is being produced?  (1 point) • changing the type of wire that has low resistance • making coils in the wire • ...

### physics

A 8.95 μC point charge is glued down on a horizontal frictionless table on the right. If is tied to a -6.35 μC point charge by a light nonconducting wire with length 2.5 cm on the left. The charges are placed in a external, uniform electric field with magnitude 1.65 ...

### physics

1. Two identical 15.0 kg balls, each 25.0 cm in diameter, are suspended by two 35.0 cm wires as shown in the figure. The entire apparatus is supported by a single 18.0 cm wire, and the surfaces of the balls are perfectly smooth. Find the tension in the left 35.0 cm wire. 2. ...

Two spherical conducting wires A and B are connected to the same potential difference. Wire A is three times as long as wire B, with a radius double that of wire B and resistivity doubles that of wire B. What is the power delivered to wire A to the power delivered to wire B? ...

### physics

The magnetic ﬁeld in a loudspeaker is 0.2 T. The wire consists of 308 turns wound on a 4.12 cm diameter cylindrical form. The resistance of the wire is 8.2 Ω. Find the force exerted on the wire when 15.8 V is placed across the wire. Answer in units of N

### physics

Two spherical conducting wires A and B are connected to the same potential difference. Wire A is three times as long as wire B, with a radius double that of wire B and resistivity doubles that of wire B. What is the ratio power delivered to wire A to the power delivered to ...

### Physics

An infinite straight wire carrying a current I=5 A flowing to the right is placed above a rectangular loop of wire with width w=11 cm and length L=27 cm, as shown in the figure below. The distance from the infinite wire to the closest side of the rectangle is h=1.7 cm. The ...

### Physics

An infinite straight wire carrying a current I=5 A flowing to the right is placed above a rectangular loop of wire with width w=11 cm and length L=27 cm, as shown in the figure below. The distance from the infinite wire to the closest side of the rectangle is h=1.7 cm. The ...

### Physics

During a storm, a tree limb breaks off and comes to rest across a barbed wire fence at a point that is not in the middle between two fence posts. The limb exerts a downward force of 283 N on the wire. The left section of the wire makes an angle of 11.8° relative to the ...

### Physics

During a storm, a tree limb breaks off and comes to rest across a barbed wire fence at a point that is not in the middle between two fence posts. The limb exerts a downward force of 246 N on the wire. The left section of the wire makes an angle of 14.2° relative to the ...

### physics

During a storm, a tree limb breaks off and comes to rest across a barbed wire fence at a point that is not in the middle between two fence posts. The limb exerts a downward force of 253 N on the wire. The left section of the wire makes an angle of 15.4° relative to the ...

### Physics

A long, straight wire has a uniform linear charge density of 7.50X10^-4 C/m. A point charge q=15.0 microcoulombs is located 4.50 cm away from the wire. Find the magnitude of the force exerted by the charge q on the wire.

### Physics

A long, straight wire has a uniform linear charge density of 7.50X10^-4 C/m. A point charge q=15.0 microcoulombs is located 4.50 cm away from the wire. Find the magnitude of the force exerted by the charge q on the wire.

### Physics

The drawing shows two crates that are connected by a steel (Young's modulus 2.0 x 1011 N/m2) wire that passes over a pulley. The unstretched length of the wire is 1.8 m, and its cross-sectional area is 1.4 x 10-5 m2. The pulley is frictionless and massless. When the crates are...

### science

a sphere of mass 500.0g is released from point A 5m above the ground and slides down to point B 3.2m through point C 2m in frictionless wire track. (1)determine the particle's speed at points B and C. (2)determine the net work done by the force of graviy in moving the sphere ...

### physics

I'm not sure how to deal with this problem (we're just starting the unit)... I need to find the average voltage induced into a 100 turn coil by a vertical wire when the wire's current drops from 602A to 0A in 0.01 seconds. ...if the coil was drawn as a circle on paper, the ...

### Physics - Verification

Two long straight parallel wires separated by a distance of 20 cm carry currents of 30 A and 40 A in opposite directions. What is the magnitude of the resulting magnetic field at a point that is 15 cm from the wire carrying the 30-A current and 25 cm from the other wire? So I ...

### PHysics

A thin, light wire is wrapped around the rim of a wheel, as shown in the following figure. The wheel rotates without friction about a stationary horizontal axis that passes through the center of the wheel. The wheel is a uniform disk with radius 0.400 m. An object of mass 4.50...

### PHYSICS

A FORCE OF 40N IS Applied at the end of wire 4m long and produced an extention of 0.24mm if the diameter of wire is 2.00mm.calculate stress on wire and strain in the wire

### Physics

A perforated bead of mass 37g moves on a frictionless horizontal circular track of radius R=0.65m. The track runs through the bead. When the bead is at rest in the horizontal position, it is tied to a spring at the centre of the track. The unstretched length of the spring is R...

### Physics

A bead of mass m = 33.5 kg is released from point A which is located 5 m above the ground and slides on a frictionless track. Determine the bead's speed when it reaches point C which is located 2.0 m above the ground.

### physics

A steel (Young's modulus 2.0 x 1011 N/m2) wire is strung between two supports attached to a ceiling. Initially, there is no tension in the wire when it is horizontal. A 88-N picture is then hung from the center of the wire, as the drawing illustrates, so the ends of the wire ...

### Physics

A steel (Young's modulus 2.0 x 1011 N/m2) wire is strung between two supports attached to a ceiling. Initially, there is no tension in the wire when it is horizontal. A 98-N picture is then hung from the center of the wire, as the drawing illustrates, so the ends of the wire ...

### Physics - 2

A single bead can slide with negligible friction on a wire that is bent into a circular loop of radius 15.0 cm, as in Figure P6.68. The circle is always in a vertical plane and rotates steadily about its vertical diameter with (a) a period of 0.450 s. The position of the bead ...

### physics

A wire with circular cross-section of radius 1mm carries a current of The speed of the carriers inside the wire is What is the current density in the wire? the charge density in the wire and how long it takes for an Avogadro’s number of charges to emerge from the wire.

### Physics

Two current carrying wires cross at right angles (like a + sign). Wire 1 has current directed horizontally to the left. Wire 2 has current directed vertically up. If the wires are not restrained, what statement best describes the motion of the wires? A) Wire 1 moves out of the...

### physics

A 15 kg mass, tied to the end of a 0.5 m long steel wire, is whirled in a vertical circle. The cross- section of the wire is 0.02 cm2. When the mass is at the bottom of the circle, its angular velocity is 2 rev s i. Find the elongation of the wire at this point.

### physics

A certain orthodontist uses a wire brace to align a patient's crooked tooth as in the figure below. The tension in the wire is adjusted to have a magnitude of 21.12 N. Find the magnitude of the net force exerted by the wire on the crooked tooth.

### Physics

A certain orthodontist uses a wire brace to align a patient's crooked tooth as in the figure below. The tension in the wire is adjusted to have a magnitude of 12.40 N. Find the magnitude of the net force exerted by the wire on the crooked tooth.

### AP Physics

A certain length of wire has a resistance of 21 ohms. This wire is melted down and from the same volume of material a new wire is formed that is three times longer than the original wire. What is the resistance of a new wire? ***PLEASE SHOW ALL WORK!!!

### Physics

A long, straight wire carrying a current of 317 A is placed in a uniform magnetic field that has a magnitude of 7.69 × 10-3 T. The wire is perpendicular to the field. Find a point in space where the net magnetic field is zero. Locate this point by specifying its perpendicular...

### physics

A bead of mass m = 40.5 kg is released from point A which is located 5 m above the ground and slides on the frictionless track as shown in the figure. Determine the beads speed when it reaches point C which is located 2.0 m above the ground.

### physics

A bead of mass m = 42.5 kg is released from point A which is located 5 m above the ground and slides on the frictionless track as shown in the figure. Determine the beads speed when it reaches point C which is located 2.0 m above the ground.

### Physics

A bead of mass m = 41.5 kg is released from point A which is located 5 m above the ground and slides on the frictionless track as shown in the figure. Determine the beads speed when it reaches point C which is located 2.0 m above the ground

### physics

A long, straight wire has a 12.1 A current flowing in the positive x-direction, as shown in the figure. Close to the wire is a square loop of copper wire that carries a 2.23 A current in the direction shown. The near side of the loop is d = 57.1 cm away from the wire. The ...

### Physics

An aluminum wire is hung between two towers and has a length of 175 m. A current of 125 A exists in the wire, and the potential difference between the ends of the wire is 0.300 V. The density of aluminum is 2700 kg/m3. Find the mass of the wire

### trigonometry

A guy wire from the top of a telephone post touches the ground at a point 7 meters from the foot of the post. If the wire and the post make an angle of 56°40', find the length of the guy wire.

### physics

a Coper wire with wire with a diameter of 1.5mm is joined to an alluminium wire, which has a diameter of 2.3mm. The wire carries a current of 1.2A. What is the current density in each wire?

### Physics

A 3.0g bead has been threaded onto a vertical, frictionless, circular hoop with a 20cm radius. The bead is released from rest at 25º below the vertical. (a) Find the speed of the bead when it is 70° below the vertical. (b) Using the free-body diagram technique, find the ...

### physics

a single bead can slide with negligible friction on a wire that is bent into circular loop of radius 15 cm an in the figure. the circle is always in a vertical plane and rotates steadily about its vertical diameter with a period of 0.450 s. the position of the bead is ...

### Physics

A infinite wire carrying a current 5A is bent at right angle find the magnetic Induction at a point on the perpendicular to the wire through its point of bending at a distance 35 cm from the corner

### physics

50.0 kg stoplight hangs from wire over middle of an intersection. wire makes 15 degree angle with horizontal. find tension in each end of the wire

### Chemistry

Aluminum wire is sold on 10 pound spools (100.00 lbs). The diameter of a 12 gauge aluminum wire sold on these spools is 0.0808 inches. If the density of the aluminum is 2.70 g/ cm3. Wat is the length ( in meters) of the wire on the 10 pound spool of 12 gauge aluminum wire? How...

### Physics

9. Figure shows an aluminium wire of length 60 cm joined to a steel wire of length 80 cm and stretched between two fixed supports. The tension produced is 40 N. The cross-sectional area of the steei wire is 1.0 mm2 and that of the aluminium wire is 3.0 mm2. The minimum ...

### Physics

A 45-m length of wire is stretched horizontally between two vertical posts. The wire carries a current of 67 A and experiences a magnetic force of 0.15 N. Find the magnitude of the earth's magnetic field at the location of the wire, assuming the field makes an angle of 51.5° ...

### physics

A 0.300 g wire is stretched between two points 90.0 cm apart. If the tension in the wire is 600 N, find the wire's first, second, and third harmonics.

### Physics

A block of mass 11.2 kg slides from rest down a frictionless 24.0° incline and is stopped by a strong spring with a spring constant 31.3 kN/m (note the unit). The block slides 8.90 m from the point of release to the point where it comes to rest against the spring. When the ...

### physics

A copper wire has a circular cross section with a radius of 3.75 mm. If the wire carries a current of 4.00 A, find the drift speed of the electrons in the wire. (Assume the density of charge carriers (electrons) in a copper wire is n = 8.46 *10^28 electrons/m^3.) thanks

### physics

A copper wire has a circular cross section with a radius of 3.75 mm. If the wire carries a current of 4.00 A, find the drift speed of the electrons in the wire. (Assume the density of charge carriers (electrons) in a copper wire is n = 8.46 *10^28 electrons/m^3.) thanks

### Physics

A stainless-steel orthodontic wire is applied to a tooth, as in the figure below. The wire has an unstretched length of 3.42 cm and a radius of 0.14 mm. If the wire is stretched 0.13 mm, find the magnitude and direction of the force on the tooth. Disregard the width of the ...

### Physics

A length of copper wire is shaped into a single circular loop of circumference 63 cm, similar to that shown in the picture below. A magnetic field of strength 0.50 T is parallel to the normal of the loop. The copper wire has a resistance of 2.5 x 10-2 Ω. The ends of the ...

### physics

Suppose that you wish to fabricate a uniform wire out of 0.900 g of copper. Assume the wire has a resistance R = 0.500 , and all of the copper is used. (a) What will be the length of the wire? (m) (b) What will be the diameter of the wire? (µm)

### Physics

Two cylindrical copper wires have the same mass and are at the same temperature. Wire A is twice as long as wire B. The resistance of wire A is related to that of wire B by : a) RA = RB/4 b) RA = RB/2 c) RA = RB d) RA = 2RB e) RA = 4RB

### Physics

Two cylindrical copper wires have the same mass and are at the same temperature. Wire A is twice as long as wire B. The resistance of wire A is related to that of wire B by a) RA = RB/4 b) RA = RB/2 c) RA = RB d) RA = 2RB e) RA = 4RB

### Physics

A bird sits at rest in the middle of a wire. The wire slopes upward at 5* from the horizontal on either side of the bird. If the wire on both sides of the bird is experiencing a tension force of 106 N, then what is the mass of the bird?

### Physics

when a wire of length 5m & radius 0.5mm is stretched by a load of 49N the elongation produced in the wire is 0.1cm find the energy stored per unit volume of the wire?

### physics

When a wire of length 5m and radius 0.5mm is stretched by a load of 49N,the elongation produced in wire is 0.1cm. Find the energh stored per unit volume of the wire.

### PHYSICS

When a wire of lenght 5m & radius 0.5mm is stretched by a load of 49N,the elongation produced in the wire is 0.1cm. Find the energy stored per unit volume of the wire.