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Calculate the expectation value of the potential energy of the H atom with its electrons in the 1s orbital. Compare this with the total energy.
The inside of the cylindrical can shown above has cross-sectional area 0.005 m^2 and length 0.15 m. The can is filled with an ideal gas and covered with the loose cap. The gas is heated to 363K and some is allowed to escape from the can so that re..
A 195g oscillator has a speed of 91.50cm/s when its displacement is 3.90cm and 73.0cm/s when its displacement is 6.20 cm
A 9300 kg boxcar traveling at 20m/s strikes a second boxcar at rest. The two stick together and move off with a speed of 10 m/s. What is the mass of the second car.
An air-filled spherical capacitor is constructed with inner and outer shell radii of 7.00cm and 14.0cm, respectively. Calculate the capacitance of the device
A 3000-kg Ferris wheel accelerates from rest to an angular speed of 0.17rad/s in 11s, calculate the net torque on the wheel
In compressing the spring in a toy dart gun, 0.6 J of work is done. When the gun is fired, the spring gives its potential energy to a dart with a mass of 0.08 kg, What is the dart's speed
a typical sedan ( like corolla Toyota) has unloaded mass of 1.2x10^3 kg. Determine the effective spring constant "k" for the suspension system for critical damping
A skateboarder shoots off a ramp with a velocity of 6.9 m/s, directed at an angle of 56 ° above the horizontal. The end of the ramp is 1.1 m above the ground. how far is this point horizontally from the end of the ramp
a 66.0-kg woman in an elevator is accelerating upward at a rate of 2.8m/s^2. What is the net force acting on the woman
A "rocket car" is launched along a long straight track at t = 0 s. It moves with constant acceleration a1 = 1.2m/s2. At what time does the second car catch up with the first one
A 1.56m tall student stands before a vertical mirror. She can just see her whole body, from head to toe. How tall is the mirror
An aircraft?starts at rest and is accelerated?at 13.2?m/s2 for 8.5 seconds, at which time the aircraft launches. What is the distance traveled from the starting point
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