1. A conducting bar of length l and mass m rests at the left end of the two frictionless rails of length d in the figure. A uniform magnetic field of strength B points upward. In which direction, into or out of the page, will a current through the conducting bar cause the bar to experience a force to the right?

where l is a vector of magnitude l, the length of the rod, and with a direction identical to the current I. Note that the current I is not a vector. In the last step leading to Eq. (4.4), we have transferred the vector sign from j to l. Equation (4.4) holds for a straight rod. In this equation, B is the external magnetic field.

Length of the rod, l = 1 m Angular frequency,ω = 400 rad/s Magnetic field strength, B = 0.5 T One end of the rod has zero linear velocity, while the other end has a linear velocity of lω.

move the block B with constant velocity, will be (g = 10 m/s 2) a) 5 N b) 10 N c) 15 N d) 20 N 138. A rod of length L is placed on x-axis between x = 0 and x = L. the linear density i.e., mass per unit length denoted by ρ, of this rod, varies as, ρ = a + bx . What should be the dimensions of b? a) M 2L 1T0 b) M L–2T0

Two straight conducting rails form a right angle where their ends ar joined. A conducting bar a contact with the rails start at the vertex at time t=0 and moves with constant velocity v along them as shown in the figure. A magnetic field B is directed into the page.

Apr 02, 2018 · Download kinematics.pdf... Report this link. Comments

a constant counterclockwise angular acceleration αA = 1.5rad/s2, determine the angular velocity of pulley B after B turns 5 revolutions. If the collar at C is moving downward to the left at vC = 8m/s, determine the angular velocities ωA and ωC of links AB and BC at the instant shown.

A ring of mass mslides over a rod with mass Mand length L, which is pivoted at one end and hangs vertically. The mass mis secured to the pivot point by a massless spring of spring constant kand unstressed length l. For = 0 and at equilibrium m is centered on the rod. Consider motion in a single vertical plane under the in uence of gravity. A vertical conducting rod of length l is moved at a constant velocity v eastward. The vertical component of the Earth’s magnetic field is B and the angle of dip is theta. What is the induced emf of the rod?

Shown below is a conducting rod that slides along metal rails. The apparatus is in a uniform magnetic field of strength 0.25 T, which is directly into the page. The rod is pulled to the right at a constant speed of 5.0 m/s by a force \(\displaystyle \vec{F}\). The only significant resistance in the circuit comes from the 2.0-Ω resistor shown.

(A) The thermal power dissipated in the resistor is equal to rate of work done by external person pulling the rod. (B) If applied external force is doubled than a part of external power increases the velocity (D) If resistance R is doubled then power required to maintain the constant velocity v0 becomes half.

tends to reduce the velocity of a moving object. A number of damping techniques are used in various moving, oscillating and rotating systems. These techniques include, conventional friction damping, air friction damping, fluid friction damping and electromagnetic (eddy current) damping.

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A conducting rod is moved with a constant velocity v in a magnetic field. A potential difference appears across the two ends (a) if →v ∥→l (b) if →v ∥→B (c) if →l ∥→B (d) none of these.

A conducting rod XY of length L = 0.5 m is moving with a uniform speed v = 4 ms^-1 in a uniform magnetic field B = 2T asked May 10, 2019 in Physics by Anik ( 70.8k points) magnetism

period for L = 2.00 m. (Suggestions: Model the object at the end of the rod as a particle and use Eq. 15.28.) Let F represent the tension in the rod. (a) At the pivot, F M g M g M g 2 A fraction of the rod’s weight y Mg L §· ¨¸©¹ as well as the weight of the ball pulls down on point P. Thus, the tension in the rod at point P is 1 yy F M ...

A conducting rod of length l and mass m is moving down a inclined plane of inclination theta with constant velocity v A current I is flowing in the conductor perpendicular and inwards A vertically upward magnetic field exist in space Magnitude of magnetic field - Physics - Moving Charges and Magnetism

(Figure 1) A conducting rod of length L is moved at a constant velocity v i through a uniform magnetic field B k. This field runs perpendicularly out of the page. The end of the rod at y = 0 is labeled a, and the end of the rod at y= L is labeled b.

Two conducting rod has a length L and is being pulled along a horizontal, frictionless, conducting rail at a constant velocity v. The rails are connected at one end with a metal strip.

The figure at the right shows an idealized pendulum, with a "massless" string or rod of length L and a bob of mass m. The open circle shows the rest position of the bob. When the bob is moved from its rest position and let go, it swings back and forth.

Installations for refurbishment projects or for small hydro projects are not in the scope of this document. An agreement between all parties is necessary. This document excludes matters of purely commercial interest, except those inextricably bound up with the conduct of installation.

Mar 12, 2012 · MA = (L - l)/l; where L is the length of a rod and l is the distance from one end where the fulcrum is located. l is placed so that (L - l)/l > 1.0; otherwise, there would be no advantage. So the force p (MA) = P the force on the working end (the short end) of the rod.

A rod of length L is pivoted at one end and is rotated with a uniform angular velocity in a horizontal plane. Let T 1 and T 2 be the tensions at the points L/4 and 3L/4 away from the pivoted ends. (a) T 1 > T 2 (b) T 2 > T 1 (c) T 1 = T 2 A 9-inch-diameter disk weighing 8 lb and rod AB of length L weighing 3 lb/ft are attached to the shaft CD as shown. A couple . M. of constant magnitude 4ft-lb is applied to the disk when the system is at rest. Knowing that the angular velocity of the system is to be 300 rpm after two complete revolutions, determine the required length L of the ...

(Figure 1) A conducting rod of length L is moved at a constant velocity v i through a uniform magnetic field B k. This field runs perpendicularly out of the page. The end of the rod at y = 0 is labeled a, and the end of the rod at y= L is labeled b.

As long as the rod moves at a constant speed, all the work done by external person the rod is dissipated as heat in the resistor. A constant force F is being applied on a rod of length 'l' kept at rest on two parallel conducting rails connected at ends by resistance R in uniform magnetic field B as...

Angular velocity vector for rigid body or reference frame. Given a rotating frame of three unit coordinate vectors, all the three must have the same angular speed at each instant. In such a frame, each vector may be considered as a moving particle with constant scalar radius.

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When a conducting element is placed in an electric field, a voltage will be induced in the element. The path length difference between the direct radar energy and the reflected radar energy causes cancellation at some points in space and reinforcement at others.

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The constitutive equation relating angular velocity, torque and friction coefficient is (Translating system equivalent:) A rotation friction element often consists of an object moving in a fluid, very similar to the translating dashpot, but with a rotary motion. An example of such a device is used in some exercise equipment. A conducting circular loop is placed in a uniform magnetic eld, B = 0.025 T with its plane perpendicular to the loop. The radius of the loop is made to shrink at a constant rate of .. The induced e.m.f. when the radius is 2 cm, is (a) (b) (c) (d) Correct: b 24. A neutron moving with speed v makes a head on collision with a hydrogen atom in ground

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2 conducting rod has a length L and is being pulled along horizontal, frictionless, conducting rails at a constant velocity v. The rails are connected at one end with a metal strip. A conducting rod of length L is being pulled along horizontal, frictionless and conducting rails. A conducting bar in contact with the rails and forming an isoscale triangle with them, starts at the vertex at time t = 0 and moves with constant velocity v to the right.Usually I put 200 for Constant Velocity. I came across a UST where if I put the Constant Velocity to 200, it sounded a bit choppier, but if I put it at 100, it sounded lot smoother. Consonant velocity is actually a value that alters the length of the consonant, or pink area of the OTO.

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A metal rod of length ‘ d ’ is being forced to move with constant velocity ‘ v ’ along two horizontal, frictionless conducting rails, connected with a strip of metal at one end, as shown in the figure. A uniform magnetic field B , directed out of the page, fills the region in which the rod moves. In the figure, a conducting rod of length L = 33.0 cm moves in a magnetic field B⃗ of magnitude 0.380 T directed into the plane of the figure. The rod moves with speed v = 5.00 m/s in the direction shown. (Figure 1) 1 -When the charges in the rod are in equilibrium, what is the magnitude E of the electric field within the rod?

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A conducting rod moves with a constant velocity in a direction perpendicular to a long, straight wire carrying a current $I$ as shown in Figure Calculate (a) the induced emf, ( $b$ ) the current in the U-shaped conductor, and $(c)$ the external force needed to keep the rod's velocity constant at that...Note that the constant speed is known as the terminal velocity - the same kind of thing applies to skydivers. Let's say we drop a coffee filter (from rest) from a height of 1.5 m. If there was no air resistance, the filter would take about 0.55 seconds to hit the ground, and be traveling at a final speed of 5.4 m/s.

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tends to reduce the velocity of a moving object. A number of damping techniques are used in various moving, oscillating and rotating systems. These techniques include, conventional friction damping, air friction damping, fluid friction damping and electromagnetic (eddy current) damping.

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A rod of length L and electrical resistance R moves through a constant uniform magnetic field 4, perpendicular to the rod. The force that must be applied by a person to keep the rod moving with constant velocity ² is:

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If the length of the rod is $l$ metres and gravitational acceleration is $g$ metres per second squared, how fast is the unattached end of the rod moving However upon completion I thought if I consider the whole system to be a pendulum with of mass $m$ and length $\frac{l}{2}$ (only considering the...

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But the length of the cylinder is v * t : where v is the drift velocity and t is the time we used : So: Charge carried by electrons in cylinder = n × A × v × t × Q: This is the amount of charge which passes point A in time t. To find the current which this represents, we need to find the rate at which the charge has flowed. A conducting rod of length l moves on two (frictionless) horizontal rails, as shown to the right. A constant force of magnitude |~F app| = 1.0N moves the bar at a uniform speed of |~v|=2.0m/s through a magnetic ﬁeld B~ directed into the page. The resistor has a value R=8.0Ω. (a) What is the current through the resistor R?

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122. Auxiliary experiments with grid spacing between 0,05 and 1 cm, show, however, no measurable influence of this parameter on the phase velocity and attenuation. 123. The sodium content was determined by reading the optical density at 589 m, whereas potassium was measured at 768 m?.31-54 has a length L and is being pulled along horizontal, frictionless, conducting rails at a constant velocity v. The rails are connected at one end with a metal strip. A uniform magnetic field B, directed out of the page, fills the region in which the rod moves.

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a constant angular speed of 8.00 rad/s. At t = 0, its shadow has an x coordinate of 2.00 m and is moving to the right. (A) Determine the x coordinate of the shadow as a function of time in SI units. (B) Find the x components of the shadow’s velocity and acceleration at any time t. A. L: to the left; R: to the left B. L: to the left; R: to the right C. L: to the right; R: to the left D. L: to the right; R: to the right E. none of the above The rectangular loop of wire is being moved to the right at constant velocity. A constant current I flows in the long wire in the direction shown.

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(d) velocity of the particle after time t = π 𝐵0 is @ 𝑣0 2 ̂+𝑣0 2 ̂ A 8. A collar of mass 10 kg is released from rest from position A, when spring is in natural length and slides along a rough vertical fixed rod. The block comes to rest at point B, 4 m below the point A. The spring constant of spring is Two conducting rod has a length L and is being pulled along a horizontal, frictionless, conducting rail at a constant velocity v. The rails are connected at one end with a metal strip.

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The rotational inertia of a rod about its center is 1 12 ML2, where M is the mass of the rod and L is its length. c. Calculate the rotational inertia of the rod-block system about the hinge. d. If the cord that supports the rod is cut near the end of the rod, calculate the initial angular acceleration of the rod-block system about the hinge. A conducting rod of length l moves on two (frictionless) horizontal rails, as shown to the right. A constant force of magnitude |~F app| = 1.0N moves the bar at a uniform speed of |~v|=2.0m/s through a magnetic ﬁeld B~ directed into the page. The resistor has a value R=8.0Ω. (a) What is the current through the resistor R?