# A conducting rod of mass m and length l is placed

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Question from Moving Charges and Magentism,jeemain,aipmt,physics,cbse,class12,ch4,moving-charge-and-magnetism,magnetic-force,difficult

The image explains the solution using integration. You can find out the mass moment of inertia for one rod forming a side of square about the axis through the diagonal of that square.

So the big mass mass Big M exerts a force mg at length l o before from the pivot, dear the direction your small mass mg exert flomax am exerting force mg again l a before from the A long, uniform rod of length \$L\$ and mass \$M\$ is pivoted about a horizontal, frictionless pin through one end.
• If the length of the rod is doubled, what happens to the electric field in the rod? A. It stays the same. B. It doubles. C. It quadruples. D. It halves. E. It quarters. 3. A metal rod of length 2.0 m is moved at 6.0 m/s in a direction perpendicular to its length. A 5.0 mT magnetic field is perpendicular to both the rod and its velocity.
• A wire of length 1.5 m and of radius 0.4 mm is stretched by 1.2 mm on loading. Example - 9: Find the maximum load which may be placed on a tungsten wire of diameter 2 mm so that the permitted strain not exceed 1/1000. A mass of 2kg is hung from a steel wire of radius 0.5 mm and length 3m.
• A metallic rod AB of length 2 m placed in east-west direction, having the end A towards east, falls vertically downward with a constant velocity of 50 View Solution play_arrow. question_answer18) A conducting rod of length 2l is rotating with constant angular speed w about its perpendicular bisector.

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P 51A small ball of mass M is attached to the end of a uniform rod of equal mass M and length L that is pivoted at the top (Fig. P15.51). (a) Determine the tensions in the rod at the pivot and at the point P when the system is stationary. (b) Calculate the period of oscillation for small displacements from equilibrium, and determine this

ML (where M is the mass and L the length of the rod). The rod is bent in the middle so that two halves make an angle of600. The moment of inertia of the bent rod about the same axis would be 2a) 1 48 ML b) 2 1 12 ML c) 2 1 24 ML d) 2 8 3 ML 12. Five particles of mass 2kg are attached to the rim of a circular disc of radius 0.1m and negligible mass.

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The mass of the –1.2 µC is 4.0 × 10 –9 kg. Determine the magnitude and direction of the acceleration of the –1.2 µC charge when it is allowed to move if the other two charges remain fixed. (a) 2 × 10 5 m/s 2, to the right (b) 1 × 10 5 m/s 2, to the left (c) 7 × 10 4 m/s 2, to the right (d) 3 × 10 5 m/s 2, to the left (e) 4 × 10 6 ...

A sphere of mass 1.0 kg and radius 0.5 m is attached to the end of a massless rod of length 3.0 m. The rod rotates about an axis that is at the opposite end of the sphere (see below). The system rotates horizontally about the axis at a constant 400 rev/min.

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out of the page. (Note: the length of each semicircle is ! dl ="r.) Problem 21. The structure shown in Fig. 30-52 is made from conducting rods. The upper horizontal rod is free to slide vertically on the uprights, while maintaining electrical contact with them. The upper rod has mass 22 g and length 95 cm.

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9. A uniform rod of length (L = 2.0 m) and mass (M = 1.5 kg) is pivoted about a horizontal frictionless pin through one end. The rod is released from rest at an angle of 15 below the horizontal. What is the angular speed of the rod when it passes through the vertical position? (The moment of inertia of the rod about the pin is 2.0 kg m2.) 10.

HyperPhysics is an exploration environment for concepts in physics which employs concept maps and other linking strategies to facilitate smooth navigation.

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Feb 01, 2010 · The alkali silicate used was Grade D sodium silicate solution (Na 2 SiO 3) supplied by PQ Australia with a specific gravity of 1.53 and a modulus ratio (M s) equal to 2 (where M s = SiO 2 /Na 2 O, Na 2 O = 14.7% and SiO 2 = 29.4%). The hydroxide solution needed for activation was prepared to a concentration of 7.0 M using potassium hydroxide ...

7. A thin rod of mass M and length L spins clockwise with angular velocity ω about an axis that passes through one end of the rod, perpendicular to its length. An object of mass m moving to the left with velocity v strikes the rod at its midpoint and sticks to it. The rod stops spinning. What was v? (a) MLω 3m (b) MLω 6m (c) MLω 12m (d ...

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Jan 09, 2015 · mass of 2 kg at the end of a massless rod that is 2 m in length: I= mr2 = (2 kg)(2 m)2 = 8 kg m2 If a force of 5 N were applied to the mass perpendicular to the rod (to make the lever arm equal to r) the torque is given by: ˝= rF= (2 m)(5 N) = 10 N m By Eq.8.2we can now calculate the angular acceleration: = ˝ I = 10 N m 8 kg m2 = 1:25 rad ...

Jun 21, 2002 · The mass used had a mass of M = 50 grams, the spring had a spring constant of k = 5 Newtons/meter and the spring had a mass of m = 5 grams. Estimate the rise in temperature of the spring. State clearly all the numbers you are estimating and begin with a few sentences explaining what physical principles will be relevant in carrying out your ...

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Each the balls shown below carries a charge q and has a mass m. The length of each thread is l, and at equilibrium, the balls are separated by an angle 2 θ 2 θ. How does θ θ vary with q and l? Show that θ θ satisfies. sin (θ) 2 tan (θ) = q 2 16 π ε 0 g l 2 m sin (θ) 2 tan (θ) = q 2 16 π ε 0 g l 2 m.

Two ends of an inductor of inductance L are connected to two parallel conducting wires. A rod of length l and mass m is given velocity v0 as shown. The whole system is placed in perpendicular magnetic field B. Find the maximum current in the inductor. (neglect gravity and friction)

Worked example 8.5: Hinged rod Question: A uniform rod of mass and length rotates about a fixed frictionless pivot located at one of its ends. The rod is released from rest at an angle beneath the horizontal. What is the angular acceleration of the rod immediately after it is released?
Each the balls shown below carries a charge q and has a mass m. The length of each thread is l, and at equilibrium, the balls are separated by an angle 2 θ 2 θ. How does θ θ vary with q and l? Show that θ θ satisfies. sin (θ) 2 tan (θ) = q 2 16 π ε 0 g l 2 m sin (θ) 2 tan (θ) = q 2 16 π ε 0 g l 2 m.
2. The gure is an overhead view of a thin uniform rod of length 0.800 m and mass M rotating horizontally at angular speed 20.0 rad/s about an axis through its center. A particle of mass m = M=3:00 initially attached to one end is ejected from the rod and travels along a path that is perpendicular to the rod at the instant of ejection.
A straight piece of conducting wire with mass M and length L is placed on a frictionless incline tilted at an angle from the horizontal. There is a uniform magnetic field B at all points (produced by an arrangement of magnets not shown in the figure). To keep the wire from sliding down the incline...