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A sheet of glass is coated with a 495-nm-thick layer of oil (n = 1.42).
1- what visible wavelengths of light do the reflected waves interfere constructively?
2- what visible wavelengths of light do the reflected waves interfere destructively?
3- What is the color of reflected light? ( Yellow, Green-blue, Red, or Orange)
4- What is the color of the most part of transmitted light? ( Orange, Redm, Blue, or Yellowish green)
It is then projected up the same plane with an initial speed 4.40 m/s. Explain how far up the incline will the block move before coming to rest?
An object is oscilliating on a spring with a period of 4.60 s . At time t= 0.00 s the object has zero speed and is at x = 8.30 cm
A typical Major League fastball is thrown at about 99 mph and with a spin rate of 103 rpm. If the distance between the pitcher's point of release and the catcher's glove is exactly 65.5 ft, how many full turns does the ball make between release and c..
Two charged spheres are 19 cm apart. They are moved, and the force on each of them is found to have been quadrupled. How far apart are they now.
A cricket ball is bowled at a speed of 144 km/hr. suppose the ball diameter is 70 mm and a drag coefficient 0.45, estimate the drag force in newtons which would be acting on the ball.
A 0.015 kg bullet traveling horizontally at 400.2 m/s strikes a 4.1 kg block of wood sitting at the edge of a table. The bullet is lodged into the wood. If the table height is 1.2 m, how far from the table does the block hit the floor.
If vector "B" is added to vector C =3.0i + 4.0J, the result is a vector in the positive direction of the y axis, with a magnitude equal to that of vector "C". What is the magnitude of vector "B".
A cylindrical 98.50 ? resistor is made from a coil of copper wire whose total mass is 74.0 g, What is the diameter and lenght of the wire
The car now stops, and the four people get out. By how much does the car body rise on its suspension owing to this reduce in weight.
A 100 arrow is shot perpendicularly from a bow whose effective spring constant is 500. If the bow is drawn 75 before shooting the arrow, to what height does arrow rise.
A pendulum of length 50cm is pulled 30 cm away from vertical axis and free from rest. What would be its speed at the bottom of its swing.
Biometric measurements indicate that each hand typically makes up about 1.25% of body weight. What horizontal force should her wrist exert on her hand.
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