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When white light passes during transmission diffraction grating an observer sees in the fringe of the 1st order
1. A spectrum with the red light being deflected the most
2. A spectrum with the violet light being deflected the most
3. A bright white spot with intensity less than in the fringe of order 0
4. A bring white spot with intensity greater than in the fringe of order 0
a 12 kg ball is dropped from rest at a point 5m above the floor and bounces back with a speed of 6 ms. what impulse is
A 30 cm-diameter vertical cylinder is sealed at the top by a frictionless 15 kg piston. What will the height of the piston be
two masses are separated by 3.85m. the mass of objects are 5.98kg and 7.35 kg. how far is the center of mass of the system
Light is an electromagnetic wave and travels at a speed of 3.00 108 m/s. Estimate what is the frequency of this light
A cannon mounted on a pirate ship fires a cannonball at125 m/s horizontally, at a height of 17.5 m above theocean surface. Ignore air resistance. How far from the ship does it land
A sonar generator on a submarine on the ocean surface produces periodic ultrasonic waves at a frequency of 2.50 MHz. How deep is the ocean floor
An object has a volume of 0.25 m^3 and weighs 3000 N. What will be its apparent weight when submerged in water
In an elementary-particle experiment, a particle of mass m is red, with momentum mc, at a target particle of mass 2squrt (2m) . The two particles form a single new particle (completely inelastic collision).
a spelunker is surveying a cave. she follows a passage that takes her a distance 173 straight west then a distance 200
Two blocks on a frictionless table, A and B, are connected by a massless string. What is the ratio (ma/mb) of the blocks masses
A van with a mass m(v) moves along a frictionless road at v0 m/s when some heavy luggage is added to the top that weighs m(l) onto the roof
A piece of copper tubing used in plumbing has a length of 85.0cm and an inner diameter of 1.40cm at 20 degrees C. When hot water at 90 degrees C flows through the tube, what is the change in its cross-sectional area?
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