Kinetic energy of the rock based problem
The net energy of a 2.00 kg falling rock is 5000 J. When it’s potential energy is 1975 J, the kinetic energy of the rock is ____ J.
The speed of rock is _____m/s?
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A coil of 5.4 cm diameter wire is initially oriented so that the plane is perpendicular to the magnetic field of 0.63 T pointing up. Throughout the course of 0.25 s, the field is transformed to one of 0.25 T pointing down. Determine the average in
The amount of heat liberated when 100 grams of steam at 100 degrees Celsius is transformed into liquid water at 100 degrees Celsius is ____ J.
The density of the liquid is 809 g/L and that of the gas is 4.566g/L at the boiling point. Determine the numbers of liters of liquid nitrogen are formed when 895.0 L of nitrogen gas is liquefied at 77.36 K?
The cords measure 1m and 3m. The 3m cords make the angle of 18 degrees with ceiling. Compute tension in each cord.
A car of 1500 kg is moving at 10 m/s is stopped by the action of its brakes. The work done by the brakes of car is ____ Joules.
Determine the lowest mass isobar for which there exist three stable isotopes? Determine the element, with the lowest atomic number, which has no stable isotopes?
A box 120 cm^3 comprises helium at a pressure of 2.50 atm and a temperature of 120 C. It is located in thermal contact with a 180 cm^3 box having argon at a pressure of 4.50 atm and a temperature of 410 C. Determine the initial thermal energy of e
Engineers only wish the force of 17 N to open door. How far away from point of rotation must they put handle of door?
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