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A spaceship of mass 2.3×106 is cruising at a speed of 5.6×106 when the antimatter reactor fails, blowing the ship into three pieces. One section, having a mass of 4.7×105 , is blown straight backward with a speed of 2.0×106 . A second piece, with mass 8.3×105 , continues forward at 1.1×106 .
What is the speed of the third piece?
what is the direction of the third piece?
You decide to move your desk so your back is not facing the door. As you begin to move your desk, What is the coefficient of friction between the desk and the floor
Write the expression of the force fl j corresponding to the Uu potential energy term. Derive the expression of the distance r m i n at which Uu has its minimum value, as a function of the parameters a and/or E.
2 mol of a diatomic ideal gas expand adiabatically and quasi-statically. The initial temp of the gas is 300K, What is the final temp of the gas
An object's moment of inertia is 2.00kgm2 . Its angular velocity is increasing at the rate of 3.80, What is the total torque on the object
q1. a metal sphere has a charge of 8.9x10-6c. what is the net charge after 8.8 x 1013 electrons have been located on
Two point charges are on the y axis. A 3.30-µC charge is located at y = 1.25 cm, and a -2.06-µC charge is located at y = ?1.80 cm. Find the total electric potential at the origin
Gas is confined in a tank at a pressure of 1.04E+6 Pa and a temperature of 14.4°C. what is the new pressure in the tank
A runner traveling with an initial velocity of 1.5 m/s accelerates at a constant rate of 1.6 m/s^2 for a time of 3 seconds. What distance does the runner cover during this process
The primary coil of an ideal transformer has 710 turns, and the secondary coil has 190 turns. find the output current of the secondary coil
On another planet the simple pendulum consisting of a 0.154 kg mass suspended on a 1.20 m long string has a period of 3.860 seconds. What is acceleration on this planet.
You wish to determine the height of the smokestack of a local coal burning power plant. determine the height of the smokestack
A 3.00 kg mass resting on a level table top is pulled along by a horizontal force of 16 N and accelerates at 4.00 meters per second per second. What is the force of friction between block and table.
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