A cannon is sitting in a boat which is floating in a small pond. You attach one end of a chain to the boat and the other end of the chain to the cannon and throw the cannon out of the boat. The cannon hangs from the boat without touching the bottom of the pond. The water level on the sides of the lake when the cannon is hanging from the boat is ___________ when the cannon was inside the boat. A. exactly the same as. B. a little lower than C. a little higher than

Q: a) An iron block weight 800 N in the air. The density of the iron is 7600 kg/m^3. b) What is the…

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Q: A 2.0 kg object is completely submerged in a lake. The buoyant force felt by this object is equal to…

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Q: A cube with sides of length L is tethered to the bottom of a pool of fluid by a rope whose length is…

A: As there is not given which question is to answer therefore as per Bartleby guidelines i am…

Q: In the picture there is a pipe with a flowing fluid. The flow of water moves from the left to the…

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Q: (a) When rebuilding her car's engine, a physics major must exert 120 N of force to insert a dry…

A: The coefficient of friction for steel piston is 0.6.

Q: A hollow plastic sphere is held below the surface of a freshwater lake by a cord anchored to the…

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Q: Textbook Problem 5 views a Why do airplane pilots prefer to lake off with the airplane facing into…

A: Air speed with respect to the plane wings affects the lift force generated by wind that is moving…

Q: A water line with an internal radius of 5.8 x 103m is connected to a shower head that has 12 holes.…

A: According to the equation of continuity in fluid mechanics , the flow rate which is the product of…

Q: In lab you find that a 1-kg rock suspended above water weighs 10 N. When the rock is suspended…

A: Part (a): The scale reading when the rock above water and when the rock immersed in water is 10 N…

Q: From the picture that attached when the total area of ​​the two wings (top or bottom) is 100m². The…

A: The mass of the plane is 20,000 kg, and the total wing area is 100m2. Pressure is the force per unit…

Q: (a) Calculate the weight of a cylindrical column of water with height 40.0 m and radius 1.00 m (b)…

A: # Weight of water = Mass(acceleration due to gravity) => Weight = (density×volume) (g) => W =…

Q: We fully submerge an irregular 3 kg lump of material in a certain fluid. The fluid that would have…

A: Given:  mass of lump = 3 kg  mass of fluid displaced = 2 kg

Q: Because of plaque buildup in an artery there is an obstruction in blood flow as shown in the sketch.…

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Q: Figure (a) below shows a U-shaped tube containing an amount of mercury. The left arm of the tube has…

A: Given : A1=11 cm2=11x10-4 m2 A2=4.90 cm2=4.90x10-4 m2 Mass of water poured=m=0.3 kg Density of…

Q: (a) The principle of conservation of momentum states that: “In a close system, the total momentum…

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Q: You are a passenger on a spacecraft. For your survival and comfort, the interior contains air just…

A: The hole is created by meteoroid when spacecraft was passing through nearly vacuum region of space,…

Q: A) A body was hanged by a spring scale. If the scale reading is 30 N in the air, 20 N when immersed…

A: A) The reading of the spring scale is 30 N in air. The reading of the spring scale becomes 20 N when…

Q: (a) Calculate the buoyant force (in N) on a 2.30 L helium balloon. N (upward) (b) Given the mass of…

A: Given: volume of helium balloon, V = 2.30 L = 2.30 × 10-3 m3  mass of rubber, m = 1.20 g = 1.20 ×…

Q: A boat with an anchor on board floats in a swimming pool that is somewhat wider than the boat. Does…

A: According to Archimedes principle, when an object is floating in water, it displaces water equal to…

Q: A hollow plastic sphere is held below the surface of a fresh-water lake by a cord anchored at the…

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Q: When rebuilding her car's engine, a physics major must exert 500 N of force to insert a dry steel…

A:

Q: A swimming pool has dimensions 34.0 m ✕ 9.0 m and a flat bottom. The pool is filled to a depth of…

A: (given) Dimensions of swimming pool = 34 m×9 m                      (h) Depth of pool = 1.90 m (a)…

Q: A scale reads 300 N when a piece of nickel is hanging from it. What does it read (in N) when it is…

A: Given Reading of scale = 300 N

Q: The L-shaped tank shown in the figure is filled with water and is open at the top. What is the force…

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Q: (a) How much volume of water must be displaced for a cubical block of wood with a density of Pwood…

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Q: An object floats in water with 50% of its volume submerged, This same object floats in an unknown…

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Q: (a) A water hose 3.00 cm in diameter is used to fill a 28.0 L bucket. If it takes 3.00 min to fill…

A: (a) Consider the volume of the bucket be V, the diameter of the hose be d, the cross-sectional area…

Q: When a beaker of water rests on a balance, the weight indicated is X. A solid object of weight Y in…

A: Given Data : The weight indicated in the balance initially is given as X. The weight of the object…

Q: A storage tank that is 15 m high is open at the top and initially filled with water. It developed a…

A: Recall  Bernullie's theorem. P+hρg+12ρv2=constant Equation of continuity  A1V1=A2V2

Q: Write an equation for the pressure difference ΔP between the inside and outside of the ball when it…

A: Hydrostatics Law: It state that the pressure in a vertically downward direction in a static fluid is…

Q: a) Calculate the buoyant force (in N) on a 2.40 L helium balloon.  N (upward) (b) Given the mass of…

A: solution as

Q: A hollow plastic sphere is held below the surface of a lake by a cord anchored to the bottom of the…

A: Volume of the sphere is V = 0.650 m3 Density of water is ρ=1000 kg/m3 The net force on the sphere is…

Q: A woman of m = 51 kg stands on the ice. The contact area between her skate and the ice is A = 0.0061…

A: Given  Mass of woman m=51 kg Area of contact A=0.0061 m2

Q: A crane lifts the 29000 kg steel hull of a ship out of the water. Part A Determine the tension in…

A: The mass of the steel hull, m = 29000 kg The density of the hull (steel), ρhull = 7860 kg/m3 The…

Q: A 1.2 m3 block aluminum (density 2700 kg/m3) is lowered into seawater (density 1025 kg/m3) by a…

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Q: A hollow plastic sphere is held below the surface of a freshwater lake by a cord anchored to the…

A: (a)   The buoyant force exerted by the water on the sphere can be determined as follows.…

Q: A large tub contains water and there is a faucet as shown in the picture below. the water velocity…

A: Given:Height, h' = 85 cm              h = 40 cm…

Q: A horizontal channel is cut into the side of a concrete pool, so that water flows out at a rate of…

A: Given : vox = 1.71 m/s h = 3.30 m

Q: The sketch shows a reservoir that supplies water to a farm. It is made of wood and is reinforced…

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Q: A plastic ball has radius 12.0 cm and floats in water with 24.0% of its volume submerged. (a) What…

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Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.