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Q1. Two astronauts, each having a mass of 95.0 kg, are connected by a 10.0-m rope of negligible mass. They are isolated in space, moving in circles around the point halfway between them at a speed of 4.70 m/s. treating the astronauts as particles, compute each of the following. The magnitude of the angular momentum of the system.
Q2. A father (m = 70 kg) and son (m = 45 kg) are standing facing each other on a frozen pond. The son pushes on the father and finds himself moving backward at 3 m/s after they have separated. How fast will the father be moving?
A monochromatic beam of light is absorbed by a collection of ground-state hydrogen atoms in such a way that three different wave-lengths are observed while the hydrogen relaxes back to the ground state. What is the wavelength of the incident beam.
Compute coefficient of kinetic friction
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What is an angular acceleration
It's found that string is set into oscillation only at the frequency 880 Hz and 1320 Hz as the frequency of an oscillator is varied over the range 500-1500 Hz. What is the tension in the string.
Assume air resistance is negligible; from what height (in cm) above the compressed spring was the block dropped.
What is final total energy of the system
Find out the normal force for a laundry basket
Illustrate a new gravitational potential energy
How much does the rocket clear the top of the wall
Write three methods of increasing the volume of a balloon
What will transform in terms of the observable properties of the black hole as this process continues
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