32em An measurig anemometer for wind Small 120 speed metal Cups, mocnteds, of each four ensists mass He ends

Q: A sealed cubical container 7.3 cm on a side contai force (in kN) exerted by the gas on one of the…

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Q: Calculate the average pressure exerted on the palm of a shot-putter’s hand by the shot if the area…

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Q: A soap bubble hovers mohoNlessly in the air. If the soap bubbles mass, Including the air inside it,…

A: In this question we have to determine the magnitude of the upward force acting on it. Please give…

Q: *103. A lighter-than-air balloon and its load of passengers and ballast arefl oating stationary…

A: 103. The volume of the sphere is, V=43πr3=433.146.25 m3=1019.6 m3 The mass of the balloon is,…

Q: Your friend says that the buoyant force of the atmosphere on an elephant is significantly greater…

A: The buoyant force is a fluid force that exerts upward on an object when it is either partially…

Q: It is dangerous to stand close to railroad tracks when a rapidly moving commuter train passes.…

A: Bernoulli’s principle is a conservation of energy. The expression of Bernoulli’s Principle,

Q: Expalin how you will determine experimentally the position of centre of garvity for a triangular…

A: Consider a triangular lamina. Punch three holes marked by points A, B and C near about the edge of…

Q: A stone dropped from a bridge reaches the water surface in 4s.What is the height of the…

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Q: Calculate the diameter of a conductor that should give 75.0 ft ^ 3 / s of a liquid with an average…

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Q: What is the difference between flow and velocity of flow?

A: Fluid mechanics is the branch of physics concerned with the mechanics of fluids. Fluid Flow…

Q: The fire fighters attach brass jets at the end of water pipes. Why?

A: ReasonFire fighters attach brass jets to water hose to increase the velocity of the water flow, thus…

Q: A person weighing 75 kg is standing on a three-legged stool. The stool momentarily tilts so that the…

A: Given: mass of the person, m = 75 kg contact area of each foot, = 5.0 cm2 = 5×10-4 m2

Q: The volume of a lock of glass is 200 m^3 After immersing it in water it weighs

A: The volume of a lock is, V=200 m3

Q: What is the mass of the air?

A: We know the universal gas equation, PV=nRT........................................(1) where,…

Q: Common brick is about 1.8 times denser than water. What is the net force on a 0.20m3 block of bricks…

A: Given data: ρb=1.8ρw Volume of brick (v) = 0.2 m3 Need to determine the net force on the brick.

Q: Calculate the pressure a10-N block exerts on the table it rests on if its area of contact is 50cm2.

A: Formula for the pressure is:

Q: A person weighing 75 kg is standing on a three-legged stool. The stool momentarily tilts so that the…

A: mass (m) = 75 kg acceleration due to gravity (g) = 9.81 m/s2 contact area of one foot (A) = 5 cm2…

Q: As a woman walks, her entire weight is momentarily placed on one heel ofher high-heeled shoes.…

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Q: air 45° n = ? 45° ',

A: Given: A light ray enters the prism hypotenuse face at 0o incident angle. Find: Minimum index of…

Q: can you give me 3 examples about under pressure that can simulate in phet simulator

A: PhET simulator is a simple simulator for Physics students. The pressure under the fluid is find out…

Q: od 2: easure the Mass 4 barlance the eureka can to the sh the object under the water until it is…

A: Density is defined as the quantity per unit volume. Its unit is kg/m3.  Density,ρ=MassVolume

Q: Calculate the capatity of a metal sphere of radius I metre in air Ans. 1/9 x 10-9, farad.

A: Given  Radius of sphere R=1m Permitivity of free space ε0=8.85×10-12 C2N-1m-2

Q: Someone steps on your toe, exerting a force of 500 N on an area of 4.0 cm. Calculate the pressure…

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Q: The tension in string supporting a crown is found to be 25 N when the crown is suspended in air and…

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Q: What are metal spiked shoes not a good idea for golfers on a stormy day?

A: lightning has a tendency to hit tallest object easily, in the case of golf field the tree are less…

Q: A loaded lory has a total weight of 12000 kg. Its 6 tyres are identical and show an air pressure of…

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Q: A person weighing 75kg is standing on a three-legged stool. The stool momentarily tilts so that the…

A: The pressure exerted by an object is defined as the perpendicular force exerted by the object on an…

Q: Dew forms on one of the aircraft wings on the runway. A typical water droplet has an excess…

A: Given Excess pressure of the water droplet is ∆P=56 Pa Surface tension of air/water is given as…

Q: you exert a force of 30N on the head of a thumbtack. the head of the thumbtack has a radius of 5mm.…

A: Given:Force = 30 NRadius = 5 mm

Q: A person weighing 75kg is standing on a three-legged stool. The stool momentarily tilts so that the…

A: The weight on the foot will be W=mg=75kg9.8m/s2=735N

Q: If jet off a person feel sensation of moving backward why

A: Assuming what you meant to ask was when a jet  takes off why does the person inside get a sensation…

Q: Often, a "wing" curved upward and backward will be mounted on the rear of a racecar. What is the…

A: According to the  Bernoulli Effect If a fluid  here (gas ) flows around an object at different…

Q: mph to 50mph in 10 seconds. If the air of the lorry

A: 1 mile = 1.6 km 1 mph = 1.6×1000/3600 m/s

Q: Press Esc to exit full screen VWhat is Force exerted on the Slave piston of 25 square meters? िक !…

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Q: 19. How did the hand force required to hold a ball down compare between juuuust submerged and…

A: Buoyant force: Buoyant force is the force that is exerted by a body on the surface of a liquid.…

Q: that it is closely in co there is no liquid be buoyant force on the

A: Buoyant force. bouoyant force always acts when a body is immersed in a liquid. It acts in the upward…

Q: Give reason for the following: (i) An air-filled balloon rise up slightly when punctured from below

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Q: *16. 0 A 58-kg skier is going down a slope oriented 35° above the hor- izontal. The area of each ski…

A: mass, m = 58 kg  Angle, A = 35 degree  Area, A = 0.13 m2

Q: A metal ball of radius of 5cm is suspended from a string in a container of oil. The string has a…

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Q: An engineer wants to wind 10 turns of wire on a cylindrical rod. He/she measures the diameter of the…

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Q: DETERMINE THE SIGNIFICANCE OF WATER TO THE BUOYANCY OF SHIPS.

A: Archimedes' principle states that if an object is partially or fully immersed in a fluid, it…

Q: Wind blows over the house as shown. A window on the ground floor is open. Is there an airflow…

A: According to Bernoulli’s equation, the sum of the pressure energy, kinetic energy, and potential…

Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.