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A transmission diffraction grating 420 lines/mm is used to study the light intensity of different orders (n). A screen is located 2.5m from the grating. What is the separation on the screen between the three brightest red lines for a hydrogen source?
A drug prepared for a patient is tagged with which has a half life of 6.05 h and an activity of 1.60 µCi when it was prepared. What is its activity at the time it is injected
Magnus has reached the finals of a strength competition. In the first round, he has to pull a city bus as far as he can. One end of a rope is attached to the bus, how much work does the tension force do on Magnus
An organ pipe is open at both ends. The frequency of the fourth harmonic is 316 Hz higher than the frequency of the third harmonic. what is the length of the organ pipe
A square wire with 1.7 m sides is centered on the origin of the xy-plane. A long, straight wire carries a current of 2.0 A, what emf is present in the conductor
A paratrooper pilot fell 360 m after jumping without his parachute opening. He landed in a snow bank, creating a crater 1.50 m deep, but survived with only minor injuries. Assume the pilot's mass was 80 kg and his terminal velocity was 50 m/s.
A luminous object is 3.60m from a wall. You are to use a concave mirror to project an image of the object on the wall, How far should the mirror be from the wall
a car with a speed of 40 kmh approaches the bottom of an icy hill. the hill has an angle of inclination of 10.5
According to general relativity and the equivalence principle, light is bent by gravity. find the time it takes for the light to strike the ground
Trajectory of a particle. A particle moves in a two-dimensional orbit defined by-Sketch the trajectory. Find the velocity and acceleration (as vectors, and also their magnitudes), and draw the corresponding velocity and acceleration vectors along v..
If the maximum acceleration that is tolerable for passengers in a subway train is 2.45 m/s2 and subway stations are located 840 m apart, What is the travel time between stations
he density of free electrons in gold is 5.90x10^28 m^-3. The resistivity of gold is 2.44x10^-8 ohms.m at a temperature of 20 C, what is the drift velocity of the electrons in the wire
0.46mol of argon gas is admitted to an evacuated 30cm^3 container at 60C . The gas then undergoes an isochoric heating to a temperature of 500C. what is the final pressure of the gas
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