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: on an unknown planet, a 145 g baseball is hit so that it travels straight upward to reach a maximum…
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Q: A 500 g block w/ an a horizontal tabletop a. How far will it b. What is the c tabletop?
A: mass = m = 500 g = 0.5 kg initial speed = Vi= 90 cm/s = 0.9 m/s frictional force = f =0.8 N
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A: Given- Force (F1) = 11.7 N Acceleration (a) = 10.3 m/s2 θ = 39° Mass of crate (m) = 6.2 Kg
Q: Q7. Inertia is O An example of Newton's 1st law of motion. O Defined as the tendency for an object…
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Q: 1. An SUV hauling a trailer is travelling at 25 m/s when the driver hits the brakes. The 1.4 MT…
A: Force brings about motion and changes in it. This force produce acceleration and hence the changes…
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A: Given: The mass of the car is 500 kg. The radius of the path is 35 m. The coefficient of the…
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 1.8-kg block is released fror incline, its acceleration is 3.0 on the block. a. 4.2 N b. 3.0 N с.…
A: Given values:- Mass of the block,(m)=1.8 kg ----(1) Inclined angle,(θ)=300 ----(2) Acceleration of…
Q: Two blocks are arranged at the ends of a massless string as shown in the figure. The system starts…
A: Given m=4.36kg, M=5.77kg. Let a be the acceleration of the system. From the FBD of mass m, T - mg=-…
Q: 3. a. You lower a couple boxes out of a window. As you lower them, they acccelerate downward at 2.42…
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Q: In the circuit shown below, V=4V, 1 = 4 A, R1 = 3 2 and R2 = 17 Q2. Using either superposition or…
A: Find Vx
Q: What is the magnitude of the net force needed to bring a 2085 kg car to rest from 25.6 m/s in 9.3…
A: Given that;- mass, m= 2085 kg vinitial = 25.6 m/s time t = 9.3 s vfinal =0 m/s
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: -kg man jumps 1.00 m down onto a concrete walkway. His downward motion stops in 0.04 seconds. If he…
A: Here, we calculate the given as follow;
Q: The cart in figure 1 slides in the horizontal plane with an acceleration of 4 m / s². Body…
A: Acceleration of cart is a = 4 m/s2 Mass of body A is m = 4 kg
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: A 2500 kg roller- coaster completes a loop of radius 16 m in 3.00 s. a. Draw an FBD of the coaster…
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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: 42. John is moving a 14 kg box in a Phsyics lab on an approximately frictionless surface. If the box…
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Q: rocket launched from the ground accelerates upwards at 15m/s2 . a. What is the upwards force from…
A: Givenm=50 kga=15 m/s2
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: A 0.15 kg marble is on a track. It is being held at the top of a hill that is 10 m high. If it is…
A: According to the conservation of energy, energy of an isolated system is conserved. i.e. energy can…
Q: A stone is dropped from a height of 45 m. Approximately how long does it take to hit the ground?…
A: Given data: Initial velocity (v0) = 0 m/s Height (h) = 45 m Required: Time (t) taken to hit the…
Q: 3. A 2kg owl jumps directly upward into the air with a speed of 5m/s, but a wind is blowing which…
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Q: ans. a) 3.41 N a) What is the tension in the string? m/sec. The length of the string is 1.2 m. The…
A:
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…
A:
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: 3.) The driver of mass 80 kg is strapped to the seat of his Ferrari. If she comes to a stop after…
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Q: A child of mass 43 kg stands on a scale inside an elevator. Select one or more: A. The scale…
A: Consider the acceleration of the elevator be a, and the speed of the elevator be v. Apply Newton’s…
Q: A 200-N block in contact with a level plane is acted upon by a horizontal force P = 100N. The fk =…
A:
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: A 1200 kg car is moving at 30 m/s and comes up to a hill. How high can the car go up the hill before…
A: To solve the question, we will use the conservation of energy.
Q: A 48.42kg hunter ropes a 167.82 kg sleeping polar bear and pulls the bear towards him until they…
A:
Q: 3 ст 3 cm 91 q2 q: = Q= 4.5 nC, q, = -4.5 nc
A: Given:
Q: Q3 Q2 Q,
A: Note: as per the policy, only the first three subpart of the question will be solved. if you want…
Q: A 10 N of force is applied to a toy car and toy car accelerates to 2m/s^2. If 20 N of the force is…
A:
Q: The graph shows the motion of an RC helicopter. What will be the average speed from point ‘A’ to…
A: average speed = (distance) / (time) For distance see y - axis for time see x- axis In 0 to 5…
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: 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 45.0-kg child swings in a swing supported by two chains, each 3.10 m long. The tension in each…
A:
Q: A 3.0kg cannon ball is shot from a cannon at a speed of 20m/s. The cannon is oriented 50 degrees…
A: We have given, A ball of mass m = 3 kg , initial velocity u = 20 m/s angle of projection = 50…
Q: A rock slides up a very slippery ramp which is tilted at an angle 0 above horizontal. It has speed…
A: The rock will stop when final velocity becomes 0 at max distance from bottom. Having this concept we…
Q: BIU As safe as school buses are made to be, there are still sometimes accidents which result in…
A: According to the newton second law of motion, F=ma where F is the force applied on the body, m is…
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