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A thin rod (length = 1.65 m) is oriented vertically, with its bottom end attached to the floor by means of a frictionless hinge. The mass of the rod may be ignored, compared to the mass of the object fixed to the top of the rod. The rod, starting from rest, tips over and rotates downward.
(a) What is the angular speed of the rod just before it strikes the floor? (Hint: Consider using the principle of conservation of mechanical energy.)
(b) What is the magnitude of the angular acceleration of the rod just before it strikes the floor?
A dielectric-filled parallel-plate capacitor has plate area = 15.0 , plate separation = 5.00 and dielectric constant = 5.00. The capacitor is connected to a battery that creates a constant voltage = 5.00 . Throughout the problem, use = 8.85×10-12 ..
Ashley (65 kg) and Ryan (80 kg) ride their motorcycles (100 kg) at a speed of 15 m/s in a spherical metal cage with a diameter of 10m, What is the normal force on Ryan
A cannon of mass 6.14 x 103 kg is rigidly bolted to theearth so it can recoil only by a negligible amount. What would be the velocity of a shell fired from this loose cannon
illustrate a diagram to show the forces acting on the aircraft while it is flying in a horizontal circle with its wing banked at an angle to horizontal.
At what height above the earth is the free-fall acceleration 20 % of its value at the surface, Assume Rearth = 6.37 x 106 m. What is the speed of a satellite orbiting at that height
A 78.3?kg bungee jumper is enjoying an afternoon of jumps. The jumper's first oscillation has an amplitude of 10.3m and a period of 4.75s. find the spring constant of the bungee cord
a proton moves in a constant electric field from point a to point b. the magnitude of the electric field is 6.4 times
What is the magnitude of the force must each engine exert backward on the track to accelerate the train at a rate of 5.00 x 10-12 m/s2 if the force of friction is 7.6 x 105 N, assuming the engines exert identical forces?
find the position and velocity of a particle at t 2.02 s if the particle is initially moving east at a speed of 21.6
A parallel-plate capacitor has a surface charge density = 8.0 10-5 C/m2 and an electric field E = 2.7 106 V/m in the material between the plates.
A 26 gram particle is moving to the left at 27 meter per second. Find how much net work must be done on the particle to cause it to move to the right at 51 m/s
you are on an airplane traveling 30deg south of due west at 150.0 ms with respect to the air. the air is moving with a
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