To observe interference in a thin film, why must we consider a film that is not very thick (with a thickness of only a few wavelengths)? What happens if we exceed that thickness? Explain.

Q: Tectonic plates are large segments of Earth's crust that move slowly. Suppose one such plate has an…

A: 11) Given  Average speed v=4cm/yr time 1 s

Q: Power vs airspeed curve for a jet airplane is shown in the Figure. The velocity that corresponds to…

A: Minimum velocity is defined as that velocity at which the value of Power is minimum . From the graph…

Q: The force F= 600 lb is shown in the figure. What is the X-component of F in Newton? b. 1. a. What is…

A: Given, F = 600 lb. F is making an angle of 30 degrees with X axis F is making an angle of 30 degrees…

Q: A 0.623 kg. basketball is dropped from the rooftop of a building. If it took the ball 3.5 seconds to…

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Q: NIT Vn(x, t)=√ sin(x) e-Ent/h, for and ₁(x, t) = 0 elsewhere. 1) Calculate the probability densities…

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Q: 6. Consider the system shown in the figure. Block A weighs 45.0 N and block B weighs 25.ON. Once…

A: Given data: Weight of block A ( WA )= 45 N Weight of block B ( WB )  = 25 N Weight of cat Wcat = 45…

Q: 6. (a) Find the magnitude of the electric force between a Na¹ ion and a Cl¯ ion separated by 0.50…

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Q: Determine the resultant of two forces if EFx= 40g.wt and EFy=100 g.wt, using method of components…

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Q: What is the equivalent resistance between points B and A? Also find current of the resistor R1 when…

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Q: 1. For the pulley system shown, Mi has a mass of 42 kg and an associated coefficient of friction of…

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Q: A 36 kg block is moving across a horizontal surtace at 9.5 ms What is the magnitude of the force…

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Q: We rest our calculator on a physics book; the surfaces have coefficients ?s = 0.45 and ?k = 0.25.…

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Q: 3. A bird tries to lift a worm by flying 47 degrees above the horizontal once it grabs it. If the…

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Q: Zach, whose mass is 70 kg, is in an elevator going up at 6.0 m/s. The elevator takes 2.0 s to stop…

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Q: Wv² A parachutist is falling with speed of 55 m/s when his parachute opens. If the air resistance is…

A: Given, The velocity of the parachutist when his parachute opens:, v0 = 55 m/s The total weight of…

Q: 6. Calculate the magnitude of the resultant of three concurrent forces: The first force is 200 N…

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Q: 7. Block Aslides to the left with an initial speed of 2 m/s with respect to the ground on a…

A: Given data: The initial speed of block is u=2 m/s. The speed of transmission belt is v=3 m/s. The…

Q: In the figure shown, two masses being pulled by a force F = 15 N on a horizontal smooth surface. If…

A: Given: The two blocks are pulled by a force of 15 N.            The tension in the string is 5 N.…

Q: 46. Roller coasters use some of the most sophisticated technology. Safety is a big part of that…

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Q: Q4. a) With the aid of suitable labelled diagrams, describe the processes of carrier generation and…

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Q: Q9. An object (4.0 kg) is moving on a frictionless surface at a constant velocity (4 m/s), how mi…

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Q: constant force acts on a 5.0 kg object and reduces its velocity from 7.0m/s to 3.0m/s in a time of 3…

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Q: 13. 54-kg box is sitting on the floor of a level railroad car which is moving forward with a speed…

A: mass of box = 54 kg speed = 25 m/sa = 5.6 m/s2

Q: A stone has a weight of 40 N on the Mars, where g = 3.7 m/s?. The mass of the stone is a. 4.08 kg O…

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Q: 14. What amount of static friction is needed to keep a 733 kg racecar traveling at 42.5 m/s from…

A: Write the given values of this problem.   Mass of race car, m=733 kgVelocity of race car,v=42.5…

Q: H What is the MINIMUM speed a roller coaster can through the top of a loop where R = 4.4 meters?…

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Q: Calculate the final speed of the 2.00-kg object that is pushed for d =25.0 m by the F-50.0 N forc…

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Q: Suppose a 4.25 slug gymnast is climbing a rope.  a. What is the tension, in the rope, in pounds if…

A: The objective of this question is to calculate the tension in the rope when a gymnast is climbing…

Q: Perhaps the most important safety tip for operating motorcycles, off-road vehicles, mopeds, and…

A: The correct option is (C) .  i.e  always wear a helmet.

Q: Two resistors are connected in parallel as shown in the figure. What is the value of R, and IT? + VT…

A: VT = 150 volts V1 = 150 volts R1 = 130 ohm I2 = 0.7 A

Q: During a steady right turn, a person exerts the forces shown on the steering wheel. Note that each…

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Q: A 140-gram apple fell from a tree and hit Sir Isaac's head. What is the force exerted by Sir Isaac's…

A: Given data: A apple fell from tree  Mass (m) = 140 g = 0.140 kg Required: The force exerted on the…

Q: A student weighs 200 N. If he is in an elevator that is accelerating upward at 2.00 m/s/s, what will…

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Q: A student gets on an elevator and stands on a scale. Before pressing a button, the scale reads 680.…

A: Given: Scale reads 680 N Elevator accelerates scale reads 800 N

Q: Compute the combined moment of the two 85-lb forces about (a) point O and (b) point A. The moment is…

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Q: During football practice the team pushes the blocking sled 20m by doing put on the sled? 6000kgm/s²…

A: Given data:  Displacement (d) = 20 m Work (W) = 6000 kgm2/s2 Required: Force (F)

Q: A crate (100 kg) is in an elevator traveling downwards and slowing down at 6 m/s. Find the normal…

A: Take the upward direction to be positive. The forces acting on the crate are the weight of the crate…

Q: Light of 500 nm is incident on two slits separated a distance 0.10 mm. The interference pattern…

A: Given data:  Wavelength of light  λ=500 nm=500×10-7 cm Distance between slits (d)=0.10 mm=0.10×10-1…