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Question: A certain atom is ionized so that it only has one electron. The first Lyman line is at about 30 nm.
Question 1: What is the atomic number of the atom?
I need expert help to solve the above question. Thanks.
a 0.400 ice puck moving east with a speed of 2.50 has a head-on collision with a 0.900puck initially at rest. what
38.6g ball of clay is thrown horizontally to the right at 14.4m/s toward a 1.50kg block sitting at rest on a frictionless surface. The clay hits and sticks to the block. What impulse does the clay exert on the block
A small rectangular loop of wire is located close to a long straight wire originally carrying a current I =91 A (see figure below). Discover the average emf induced in the loop if the current in the wire reverses direction in a time interval of 1/160..
A skydiver of mass m, jumps from an aircraft at an altitude of hmetres, with an initial speed of 0 m/s. She opens her parachute andlands with a final speed of v m/s. Which expression is equal to theenergy dissipated by air resistance during the jump?
The focal lengths of the objective and the eyepiece in a microscope are 0.29 cm and 2.50 cm, respectively. compute the final magnification of the microscope
A 2 kilogram shell is fired from a tank with a force of 500 Newton. Estimate what is its acceleration
If the heavier skater reaches the edge in 30 second, find how long does the lighter skater take to reach the edge
Which general pattern holds for various excited states in standing waves on a rope or string fixed at both ends? More antinodes mean shorter wavelengths. Standing waves involve the interference of waves traveling in the same direction.
The pilot of an aircraft wishes to fly due west in a 49.8 km/h wind blowing toward the south. The speed of the aircraft in the absence of a wind is 192 km/h.
A dedicated sports car enthusiast polishes the inside and outside surfaces of a hubcap that is a thin section of a sphere. How far is her face from the hubcap
the drawing shows three particles far away from any other objects and located on a straight line. the masses and the
A roller-coaster car has a mass of 500kg when fully loaded by passengers. The car passes over a hill of radius 15 m. At the top of the hill, the car has a speed of 8.0 m/s. what is the force of the track on the car at the hill?
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