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Consider a head-on collision between two hydrogen atoms, bothinitially in their ground state and moving with the same speed. Find the minimum speed necessary to leave both atoms in their n = 2 state after the collision.
A sphere of radius 10.0 cm floats in equilibrium partially submerged in water with its lowest point 5.00 cm below the water's surface. What is the buoyant force acting on the sphere
A tank of volume 0.5 m^3 contains oxygen at a measure of 1.5 x 10^6 Pa and a temperature at 20 degrees C. How many kilomoles of oxygen are in the tank
question1imagine you are on a planet similar to earth where an acceleration of gravity is approximately 10 ms2.the
The bullet becomes embedded in the block. If bullet-block system compresses the spring by a highest of 88.0 cm, what was the speed of the bullet at impact with the block.
A rod is measured to be 15 cm by an observer moving at 0.80c with respect to the length of the rod. What is the proper length of the rod
What is the wavelength of radio waves. An electron in a TV is accelerated toward the screen across a potential difference of 54.2kV. How much kinetic energy does the electron gain while accelerating.
find out the magnitude of the gravitational force exerted.
A converging lens(f1=4 cm) is located 8 cm to the left of a diverging lens (f2= -2 cm). Find the final image formed by the 2 lens system
A 30 g dart is shot straight up at 9.7m/s . At the same instant, a 24g ball of cork is dropped from 2.0m above the dart. What is the direction of the cork ball immediately after it is hit by the dart
A physics professor, equipped with a rocket backpack, steps out of a helicopter at an altitude of 617 m with zero initial velocity. (Neglect air resistance.) What is her average velocity for the entire trip
The human lungs can function satisfactorily up to a limit where the pressure difference between the outside and inside of the lungs is one-twentieth of an atmosphere. how far below the water can she swim
In exercise physiology studies it is sometimes important to determine the location of a person's center of mass. How far from the woman's feet is her center of mass
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