. There are about 160,000 road accidents in Canada every year. According to the Transportation Safety Board approximately 2800 to 2900 people are killed on Canadian roads each year.  (a) Explain the physics principles behind the use of front-seat airbags that inflate during an automobile collision.  (b) Describe similar instances in which physics principles are applied to increase safety.

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Q: Two point charges, A = -3 Q and B = 6 Q, are located at the positions shown in the figure above. a)…

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Q: An optical system consist of a thin 5 cm diameter diverging lens (L1) of -33 cm focal length, a 2 cm…

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Q: how did you get a to be 1/5g

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Q: You are working in a cardiac unit and are tasked to determine the percentage of blockage in a…

A: The average blood velocity for a non blocked artery, v1 = 30 cm/sThe blood velocity at the fastest…

Q: A 1.90 kg, horizontal, uniform tray is attached to a vertical ideal spring of force constant 180 N/m…

A: The mass of the tray is The mass of the ball is The spring constant is The amplitude is

Q: uppose and down at the surface. The setup uses a 10-W motor and has a period of 1.0 s between bobs.…

A: POWER = P = 10 Wtime = t = 1 sec

Q: What is wrong with the following problems? Explain in full sentences! 0x54x10x4 9) 0.54 x 10 Should…

A: The proper format for scientific notation is A×10b where A is a number or decimal number such that 1…

Q: 3. For the system of pulleys, weights and wires shown below, solve for the forces in each of the…

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Q: 2-30. Express each of the three forces acting on the support in Cartesian vector form and determine…

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Q: At which point would a skateboarder have the most kinetic energy? a) At rest at the top of a…

A: The kinetic energy of a moving object is given by;Where;m is the mass of the skateboarderv is the…

Q: How does light scattering contribute to the blue appearance of the sky during the day and red hues…

A: The captivating colors of the sky during the day and at sunset are a result of a phenomenon called…

Q: The charges and coordinates of two charged particles held fixed in the xy plane are: q1 = 3.20 μC,…

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Q: Consider an ion channel that open with membrane tension of 10 pN/nm. If the change in membrane area…

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Q: Why do we not put the net force of y equal to ma (mass x acceleration), since the object is…

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Q: n what ways do interference patterns give insights into the wave nature of light?

A: The interferance phenomenon is the spatial rearrangement of the energy through the superposition of…

Q: Evaluate each of the following to three significant figures and express each answer SI units using…

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Q: A thermometer gives a reading of 91.6 F +or-.0.2 F. What is the temperature in C? What is the…

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Q: 9. Suppose that when you ride on your 7.85-kg bike the weight of you and the bike is supported…

A: Mass of bike is The gauge pressure in tires is Area of contact between each tire and road is…

Q: Instruction: Draw and solve the following questions related physical quantities 4. Gold costs $500…

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Q: An Airbus A380-800 passenger airplane is cruising at constant altitude with a constant velocity. The…

A: Total surface area of the two wings, A = 395 m2Average speed of the air just below the wings, v1 =…

Q: How does the protostellar disk play a role in these key areas of our own solar system: same general…

A: The protostellar disk, also known as a circumstellar disk or protoplanetary disk, plays a crucial…

Q: The height of the Washington Monument is measured to be 170.00 m on a day when the temperature is 35…

A: Given Data :The height of the Washington Monument is Initial temperature is Final temperature is The…

Q: Estimate the average blood pressure in a person’s foot if the foot is 1.32 m below the aorta, where…

A: Height, h = 1.32 mDensity, ρ = 1060 kg/m³Blood pressure (initial),, h = 1.32 mBlood pressure at h, P…

Q: A solar sailplane is going from Earth to Mars. Its sail is oriented to give a solar radiation force…

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Q: A rocket, initially at rest on the ground, accelerates straight upward from rest with constant (net)…

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Q: sent each of the following combinations of units in the correct Sl form: (a) lum (o) Niks? and (d)…

A: We know prefixes:- giga (G) = 109  micro (µ) = 10-6  kilo (k) = 103

Q: inetic energy of 2.70 eV. (a) What is the work function of the metal? 5 ev (b) If the photon energy…

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Q: The walls in a room are 2.82 m tall by 8.09 m long by 3.28 m wide. Assume 1.00 liter of paint covers…

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Q: The half-life for the decay of carbon-14 is 5.73*10^3 years. Suppose the activity due to the…

A: Half life T1/2=  yearsInitial activity of the sample A0=6.9 BqActivity of sample At= 1.0 Bq

Q: Two simple pendula hang side by side. The lighter bob is pulled aside until its string is…

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Q: A sound wave, generated at a frequency of 440 hertz has a wavelength of 2.3 meters as it travels…

A: Frequency of wave =(f) = 40 Hz Wavelength of wave( λ )= 2.3m

Q: A beam of protons in an accelerator incident on a metal plate carries a current of 150 A. How many…

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Q: An infinitely long cylinder of radius R = 30.0 cm has linear charge density λ = 21.0 nC/m. The…

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Q: The fundamental wavelength for standing sound waves in an empty pop bottle is 0.88 m. (a) What is…

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Q: velocity graph.

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Q: 10 DETAILS A light spring obeys Hooke's law. The spring's unstretched length is 33.0 cm. One end of…

A: The normal length of the spring, The mass attached to the spring, The new length of the spring,

Q: part 2 of 2 What is the direction of the second dis- placement (with positive measured counter-…

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Q: One interesting feature of the Celsius and Fahrenheit scales is that -40C° and -40F°represent the…

A: We know conversion formula from Fahrenheit to Celsius scale is,                              F =…

Q: A breeder wants to fence off his four-sided plot of flat land, as shown in the figure. He measures…

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Q: A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 25.0° below…

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Q: The half life for the decay of carbon-14 is 5.73*10^3 years. Suppose the activity due to the…

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Q: Problem 12: In this problem, the symbols M, L, and T represent the dimensions mass, length, and…

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Q: A sports car moving at constant speed travels 110 m in 5.3 s, then brakes and comes to a stop in 3.8…

A: Datawe haveDistance,d=110mtime,t=5.3schange in time = 3.8s

Q: Describe the significance of the photoelectric effect in understanding light's quantum nature.

A: The photoelectric effect is a phenomenon where light, usually in the form of photons, strikes the…

Q: The current in a conductor varies in time as shown in the figure below. Current (A) 60 50 40 30 20…

A: The sum of the areas of the two regions gives the graph's area:A1 is the region from time 0 to 13…

Q: The pascal (Pa) is actually a very small unit of pressure. To show this, convert 1 Pa = 1 N/m² to…

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Q: Non-ohmic conductors do not have resistance of any kind. True B False

A: Ohm's Law states that the current passing through a conductor between two points is directly…

Q: A typical coal-fired power plant burns 350 metric tons of coal every hour to generate 2.6x106 MJ of…

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Q: 1. Assume that pupillary distance between your two eyes is 63 mm. Write a calculator that determines…

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”