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In the figure, two particles, each with mass m = 0.79 kg,are fastened to each other, and to a rotation axis at O,by two thin rods, each with length d = 6.0 cm and massM = 1.2 kg. The combination rotates around the rotation axis with angular speed ω = 0.33 rad/s. Measuredabout O, what is the combination's kinetic energy?
A certain atom of has 77 protons. Assume that the nucleus is a sphere with radius 6.73 fm and with the charge of the protons uniformly spread through the sphere. At the nucleus surface what is the magnitude of the electric field produced by the proto..
As a baseball is being caught, its speed goes from 25 to 0 m/s in 0.008 seconds. What is the force acting on the ball
oxygen gas initially at 300 k and 100 kpa is contained in a rigid tank. two alternative processes are to be considered
An MRI technician moves his hand from a region of very low magnetic field strength into an MRI scanner's 2.00-T field with his fingers pointing in the direction of the field.If the resistance of the ring is 1.00 m?, how much heat will be transferre..
The dipole is held perpendicular to a uniform electric field with field strength 980V/m , then released. What is the dipole's angular velocity at the instant it is aligned with the electric field?
A 2.0 kg block is pushed against a horizontal spring and released. The spring sends the block sliding across a tabletop. find the distance to which the spring was initially compressed
Consider an RC circuit in which the capacitor is beingcharged by a battery connected in the circuit. After a time equalto three time constants, what percentage of the final charge is present on the capacitor?
A lead block is suspended from the underside of a 0.8 kg block of wood of density of 720 kg/m3. what is the mass of the lead block
The drawing shows a collision between two pucks on an air-hockeytable. Puck A has a mass of 0.030 kg and is moving along thex axis with a velocity of +5.5 m/s. It makes a collisionwith puck B, which has a mass of 0.065 kg and is initially at rest.
A physicist trying to demonstrate destructive interference stands 2.7m directly in front of a speaker. A second speaker produces identical (coherent) 600Hz tones.
question 1. what is the magnitude of the acceleration of an electron at a point where the electric field has magnitude
A coil has an inductance of 0.45 H and a resistance of 42 ohms. The coil is connected to a 5.6 V ideal battery. At what rate is the energy being dissipated
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