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A visual binary has a parallax of 0.4" (arcsec), a maximum separation (in arcsec) of a=6.0", and an orbital period P=80 y. What is the total mass of the binary system? Assume a circular orbit.
make Use of a 9.81 m/s^2 for the magnitude of the acceleration due to gravity.
Assume that it takes 2.30 kg of oxygen to burn 1.00 kg of coal. (The actual amount varies with the type of the coal). What is the total mass of the reagents used in the combustion all through the 30 days.
A student calculates the frequency of a waveform produced by a tuning fork to be 303 Hz. If the tuning fork is stamped with a frequency of 279 Hz, what is the percent error for the experiment
Cowboy Joe wishes to shoot his assailant by ricocheting a bullet off the mirrored metal plate. To do so, should he simply aim at the mirrored image of his assailant.
A CD has a mass of 16.2 g and a radius of 5.96 cm. When inserted into a player, determine the net torque acting on it
Two vectors of magnitude 22.6 N and 24.5 N act at right angles to each other. What is the magnitude of their resultant vector
Galaxy A is moving away from us with a speed of 0.80c relative to the earth. How fast is galaxy A moving according to an observer in galaxy B
A ball of mass 0.100 kg is dropped from rest from a height of 1.25 m. It rebounds from the floor to reach a height of 0.800 m. What impulse was given to the ball by the floor
What electric potential energy will a fourth charge q4 = 4mC and located at the origin with respect to the other three charges experience and what is the pendulums period for small angle oscillations?
A 36g glass thermometer reads 20.6C before it is placed in 104mL of water. What is the original temperature of the water
A 180-turn circular coil has diameter 5.35cm and resistance 1.25?. obtain the induced current in the coil
A fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult. The thrust of its engines is 3.26 x 105 N. What is the work done on the jet by the catapult
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