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Q. The rocket's speed was measured to be 1.49c. The rocket's rest length is 380 m. An observer flying by measured the rocket to be 199 m long. A rocket flying towards the Sun at 0.97c measured the speed of the photons (particles of light) emitted by the Sun to be c. An inertial reference frame had an acceleration of 13 m/s2. The proper time interval between two events was measured to be 293 s. The time interval between the same two events (as measured by an observer not in the proper frame) was 312 s.
Q. A 20.0 g bullet strikes a 0.600 kg block attached to a fixed horizontal spring whose spring stiffness constant is 7.30 103 N/m and sets it into vibration with an amplitude of 21.5 cm. What was the speed of the bullet before impact if the bullet and block move together after impact?
A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.
A resistor is in the shape of a cube, with each side of resistance R . Find the equivalent resistance between any two of its adjacent corners.
Question: Field and force with three charges? What is the electric field at the location of Q1, due to Q 2 ?
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Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.
Illustrate the cause of the components accelerating from rest down the conveyor.
Calculate the dc voltage applied to the circuit.
Quadrupole moments in the shell model
Determine the tension in each string
Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.
Evaluate maximum altitude?
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