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Derive an equation to explain the relationship between enthalpy, equilibrium constant and temperature. Consider a case where if the reaction is exothermic, the equation you have derived will support what you know of Le Chatelier's principle
What charge would a person with a mass of 65.0kg have to acquire to be suspended in the air by the force exerted by the Earth's electric field
A spring is compressed by 0.0592 m and is used to launch an object horizontally with a speed of 3.21 m/s. If the object were attached to the spring, at what angular frequency (in rad/s) would it oscillate?
A 120.0 volt motor draws a current of 5.60 A when running at common speed. The resistance of the armature wire is 0.790. Decide the back emf generated by the motor. What is the current at the instant when the motor is now turned on and has not begun ..
A 9.40 10-3 kg bullet is fired horizontally into a 2.64-kg wooden block attached to one end of a massless, horizontal spring (k = 853 N/m). What is the speed of the bullet
Determine the perimeter of the room
On a banked race track, the smallest circular path on which cars can move has a radius r1 =104 meter, while the largest has a radius r2 = 163 meter. Determine the smallest speed at which cars can move on this track without relying on friction
A ballistic pendulum apparatus has a hinged catcher of mass 250.0 g. What is the muzzle velocity of the gun
A golfer hits a ball 210 m to the south for his first shot. His second shot is 80 m in the direction 25° south of west and his third shot is 30 m to the west. What is the net displacement of the ball
a 3-kg object attached to a spring oscillates on a smooth horizantial surface. its position versus time is given by the
Luigi wishes to suspend a lantern of mass m between his store and a telephone pole. THe cable attached to his store makes an angle (theta) to the wall. The cable to the telephone pole is horizontal.
Determine the power a car engine contributes to speeding the 1300 kilogram car up to a highway speed of 65.0 mi/h in 17.0 second
A box is sliding down an incline tilted at an angle 14.0° above horizontal. The box is sliding down the incline at a speed of 1.70 m/s. How far does the box slide down the incline before coming to rest
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