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Calculate the energies and wavelengths of the 3d to 2p transitions, taking into account the fine structure of both levels. How many component wavelengths might there be in the transition?
A bullet is fired through a board 13.5 cm thick, with a line of motion perpendicular to the face of the board. If the bullet enters with a speed of 387 m/s and emerges with a speed of 163 m/s, what is its acceleration as it passes through the boar..
For no apparent reason, a poodle is running at a constant speed of 6.00 m/s in a circle with radius 2.9 m. Let v1 be the velocity vector at time t1 , and let V2 be the velocity vector at time t2 . Consider (change in v)=v2-v1 and (change in t)=t2-..
What is the kinetic energy of a ball of mass 16.1 kg at the apex (highest point) of its trajectory, if it is thrown with an initial speed of 45 mph and an initial angle of 42.8 o with respect to the horizontal?
What is the magnitude of apparent weight of a 83-kg astronaut 3200km from the center of the Earth's Moon in a space vehicle accelerating toward the Moon at 3.8 m/s^2.
a ball is tossed directly upward at an initial speed of 5.7m/s and is caught when it falls back down to the throwers hand, how much total time is the ball airborne
A 3.1 kg dog stands on a 15.00 kg flatboat at distance D = 6.1 m from the shore. It walks 2.00 m along the boat toward shore and then stops. Assume no friction between the boat and the water, find how far the dog is then from the shore.
How far does the car go before it stops. An advertisement claims that a sportscar can accelerate from rest to 100 km/hr in 7.70 s.
A horizontal incident beam consisting of white light passes through an equilateral prism. What is the dispersion (thetaV -thetaR) of the outgoing beam
Suppose that the displacement of an object is related to time according to the expression x = Bt2. What are the dimensions of B?
A 0.235-kg volleyball approaches a player horizontally with a speed of 14.9 m/s. What impulse is delivered to the ball by the player
An football is punted at 25.0 m/s at an angle of 30.0 degree above the horizon. What is the velocity vector of the ball when it is 5.00 m above the level ground
What is the velocity of observer B relative to observer A . A diver shines a light up to surface of a flat glass-bottomed boat at an angle of 36 relative to the normal.
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