The ray of light will bounce back along the incident ray therefore no image will be formed.       The reflected ray of the light will be different from the angle of incidence.       The light is reflected in varying directions, making it hard for us to see ourselves.

Q: The force needed to stretch a spring by x meters is given by F(x) = 7x Newtons. How much work is…

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Q: A box of mass 35Kg is placed on an inclined plane, that is at a 38 degree angle with the horizontal.…

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Q: 6. How many positions can a lightning rod erected at a point'occupy with- out being vertical? How…

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Q: Consider a +3.0 nC charge at (-1.0 m, 0.0 m) and a +4.0 nC charge at (+1.0 m, 0.0 m). What is the…

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Q: What would a boy weigh on the moon where the acceleration of gravity is only 1.6 m/s^2, if he…

A: From the weight of the person on earth, we will calculate the mass and then using that mass we will…

Q: 4. A motor having an efficiency of 90% operates a crane having an efficiency of 40 %. With what…

A: Speed of the object lifted depends on the Ratio of the gear or pulley  which enable the motor shaft…

Q: A uniform plank is supported by two equal 120-N forces at X and Y, as shown. The support at X is…

A: Given :   Force acting at center (Fc)= 120+120 =240 N Let the length of Plank be l then, Point Z is…

Q: The drift velocity is: O (More factors are needed to be considered.) O less than the velocity of a…

A: By observing the given options we will answer the given question.

Q: An electric motor does not function properly without a commutator. What is a commutator?

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Q: The gap between electrodes in a spark plug is 0.060cm. Producing an electric spark in a gasoline-air…

A: Solution

Q: Modulation index of narrowband FM is greater than 1. True False Multipliers are used to decrease the…

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Q: The magnetic force acting on a current carrying wire is 7.0 N. What must the length of wire be if…

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Q: An isolated copper sphere of radius 85.9cm is initially uncharged. It is illuminated by ultraviolet…

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Q: 12. A satellite of mass m is in orbit around a planet of mass Mat an altitude a above the planet's…

A: Given: The mass of the satellite is m. The mass of the planet is M. The radius of the planet is r.…

Q: Why does the balloon filled with water did not pop out like the balloon filled with air when it is…

A: Comparison between air balloon and water balloon:

Q: What can you say about this picture?

A: Given: from the given diagram. The applied force is F. The displacement of the object is D. The…

Q: Starting from rest, a bus leaves a gas station with a constant acceleration of 2 m/s˄2 until it…

A: We will split the problem into three parts and then solve for the traveled distance.

Q: The diagram represents a standing wave on a string. Which harmonic is this?

A: Given data: The figure of a standing wave is given.

Q: Consider the following examples and try to imagine the possible scenario that may happen. To do so,…

A: spring compressed extended elastic compressed  elastic  potential negative negative positive

Q: Question 15 In simple harmonic motion, the restoring force must be proportional to the: O…

A: Restoring force is defined as  F = - k x where  F = restoring force  K = force constant  x =…

Q: What is the maximum velocity, in miles per hour, for an automobile rounding a level curve of 200 ft…

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Q: A rectangular brass plate has a dimension of 50 cm x 30 cm at 10oC. At what temperature should it be…

A: Solution: Given that rectangular brass plate has a dimension of 50 cm x 30 cm T1 = 10 C increase its…

Q: Directions: Examine the given pictures below. In which picture (a, b and c) is the boy doing work?…

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Q: What force keeps the pink and blue alien bttracted to the planet he is first sitting on?

A: Gravitational force

Q: he displacement of the object over the entire 40s time interva

A: Given:-  A table is given with the value of the acceleration velocity and time is given  Find:- the…

Q: 2) The moon is 384,000km from the earth and makes one revolution in 27.3days. find its angular and…

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Q: Two identical charges q = (1/9.0) × 10-9 C are shown in the figure below. Find the potential at P.…

A: q = 19×10-9 C r = 2.28 m θ = 41 degree

Q: From the top of a cliff 80 meters high, a ball of mass 0.4 kilogram is launched horizontally with a…

A: At t= 0s, U = mgh = 320J  K = ½mv2 = 180J  Total Energy = U + K = 500J

Q: caused by blockage--- one or more arteries of the .heart muscle Heart valve defects O Heart attack O…

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Q: Grace ran 18.084 km in 1.000 h, a world record time. If her kinetic energy was 694 J, what was her…

A: Given Data : The distance traveled by Grace is given as d = 18.084 Km = 18084 m. The time taken by…

Q: 3) Two cars started at the same point but at different times (of the same day) and at different…

A: Given : Car A left at 9.00 am to west Speed of car A = 30 kph Car B left at 12pm to North Speed of…

Q: Find the centre of mass of the 2D shape bounded by the lines y = +1.5x between x = 0 to 1.5. Assume…

A: We have to find the mass and moment

Q: H horizontal force of P = 1,400 lb is applied to the rectangular bar shown in Figure above. d = 1.80…

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Q: Find the maximum displacement of a 1.0 × 10-29-kg particle vibrating with simple harmonic motion…

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Q: The end of a tuning fork moves in simple harmonic motion described by the equation d = a sin (ot).…

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Q: 9. An object is placed in front of a converging lens at a distance less than F. The image by the…

A: You have posted multiple questions, according to company policy we will answer the 1st question only…

Q: dancing policeman performs a stunt by tossing his cap vertically upward with an initial speed of 10…

A: Given  Vi = 10 m/s  Acceleration due to gravity  a = g = 9.80 m/s2 in downward direction .   At…

Q: If a 4 Volt battery is connected across point A and B, Find the ENERGY STORED in these network of…

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Q: Bea and Kim are playing volleyball, when Kim passes the ball toward Bea she receives it and tosses…

A: Here we use formula for range and maximum height to solve the problem

Q: Should 400 g be 4000 g?

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Q: A hinged beam, 92.5 kg, is supported by a horizontal cable as in the figure. The length of the cable…

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Q: Suppose you are designing an amplifier and loudspeaker system to use at a country concert. You want…

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Q: 10. A flat sheet is in the shape of a rectangle with sides of lengths 0.450 m and 0.675 m. The sheet…

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Q: Given a converging lens with a focal length equivalent to 10.0 cm. (a) If an object is placed 30.0…

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Q: On earth, A boy weighs 900 N. On his home world planet he only weighs 500 N what is the acceleration…

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Q: Find the constant force F" required to give the 20 kg blockBj an upward acceleration of 0.6m/s what…

A: Given Mass of the two blocks are mA=25 kg and mB=20 kg Acceleration is ay=0.6 m/s2 Coefficient of…

Q: Which of the following is false? O The resistance of a conductor has a dependence on the…

A: The resistance of a conductor depends upon the resistivity, length and cross-sectional area of the…

Q: if traveling 88 feet per second is the same as traveling 60 miles per hour, how fast in feet  per…

A: Given, 88 feet per second = 60 miles per hour 88 fps = 60 mph 1mph=88/60fps We have to find how many…

Q: Calculate the equivalent resistance between A and B. 20 N B A 20 2 20 2 20 2 20 2 A a) 6.67 ohm b)…

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Q: A 0.844 kg spring with force constant equal to 75 N/m oscillates with simple harmonic motion along…

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