A 1400-kg submarine rises straight up towards the surface. Seawater exerts both an upward buoyant force of 16330 N on the submarine, as well as a downward resistive force of 1160 N. What is the submarine's acceleration?

Q: Q4/ A/ A tank filled with kerosene was excavated at a height from the bottom level. How the initial…

A: The initial velocity at the exit hole can be calculated using Torricelli's theorem. Let us derive…

Q: In order to have enough water pressure to hold up a barefoot water skier, the boat needs to travel…

A: Here, Given equation is  :from this its clear :The starting speed, before any barefooter weight is…

Q: Q2: A basketball of circumference (76.5 cm) is forced to the bottom of a swimming pool and then…

A: Buoyant force on the basketball will be given by: Fb = ρ*V*g ρ = density of water = 1000 kg/m^3 V =…

Q: The H20 at the bottom of a waterfalls has a speed of 40 m/s. The height of the water falls is 22.7…

A: Velocity of water at the bottom of a waterfalls, vb = 40 m/s. Height of waterfalls, ht = 22.7 m.…

Q: Skydivers can create aerodynamic shapes in the air as they fall. The use of a parachute changes that…

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Q: A wooden cube 13 cm in each direction is floating so that 55% of it is under water. How much mass…

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Q: #3: A gate in an irrigation canal is constructed in the form of a trapezoid m wide at the bottom, 46…

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Q: The force needed to maintain a constant velocity of 0.8 m/s on air track is found to be 0.005 N. The…

A: Given data: The velocity is v=0.8 m/s. The force is F=0.005 N. The area of the cart is A=0.05 m2.…

Q: reaches terminal velocity, which relationship forces [gravity Fg, viscous Fy, buoyant Fb] act O…

A: Given Data : Gravity force  Viscous force  buoyant force

Q: 3. A beach ball (the inflated plastic balls that get batted around at beaches or gradua- tions) has…

A: Step 1:The beach ball of mass 150 g and a diameter of 39 cm is fastened to the bottom of the pool by…

Q: 4b. -The drag force, F4, acting on a submarine depends on the characteristic length, L, velocity, V…

A: Write the dimensions of the variables. Here, μ is the dynamic viscosity and ρ is the density. Here,…

Q: Consider an object falling through air, where Po is the density of the object, pPair is the density…

A: The Terminal Velocity of object

Q: A glass of water (height 15cm and diameter 7.0cm) sits on a dining table. The coefficient of static…

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Q: Running on a treadmill is slightly easier than running outside because there is no drag force to…

A: The mass of the runner is given as m = 60 kgThe distance of the race is given as d = 5 km = 5000 m…

Q: On land, the most weight a caveman can hold above his head is 245N. Assuming the density of rock is…

A: Given:-          Maximum weight on land (w) = 245 N         Density of rock (ρR) = 2200 kg/m3 Now,…

Q: An aircraft has a total wing area of 360 m² The air speed over its wings at take-off is 94 m/s and…

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Q: A town has a 1.4-million-gallon storage capacity water tower. If the density of water is 62.4 lb/ft³…

A: Given  The volume of water in the storage is V=1.4×106 ga=1.4×106 ga×1 ft37.48 ga=1.87×105 ft3. The…

Q: D= 8 cm Piston d =7 mm

A: Solution :Diameter of the piston =0.08 mDiameter of the tube =0.007mh =0.10 sin 15° h=0.0258 mwhen…

Q: A ball of 0.004-m in diameter and density of 7146 kg/m³ takes 0.13 second to cross a 26.9 cm of…

A: Diameter of ball = 0.004 m Radius, r = diameter/2 = 0.002 m Density of ball, ρs = 7146 kg/m3 Density…

Q: @ Ar o horicontaily with a speed of 30 ms over a house that has a flat roof of area 40 m² Find the…

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Q: In Fig. X6.6.6 assume that friction is negligible, that 0 - 11S, and that the water jet has a…

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Q: 124 km/h winds slam head-on into a building 49 meters wide and 71 meters high, bringing the material…

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Q: A plastic ball in a liquid is acted upon by its weight and by a buoyant force. The weight of the…

A: weight of the ball (w) = - 5.7 N bouyant force (FB) = 9.5 N Let the external force = F

Q: True or False. It will be easier to float in water on a planet that has less acceleration due to…

A: According to Archimedes principle for floatation,  Wo=WdVdg=vρg ----(1) Here, The weight of the…

Q: A body weighs 10.2 N in air and 8.4 N when fully immersed in water. The buoyant force acting on the…

A:

Q: ercury barometer at the base of the mountain reads 771 mm. At the same time, another barometer at…

A: reading at  base = Pbase = 771 mm =  771 x133.32 pascal  =102789.72 pascal reading at top = Pt = 436…

Q: totally immersed in (a) water and (b) mercury (p = 13.6 g/cm). What will be the initial acceleration…

A: According to archemede's principle  Bouyant force = weight of liquid displaced

Q: l-balanse mo, buoy! A 4.80 [kg] metal block is suspended vertically by a light string that is…

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Q: 1.0 kg of lead that is sinking to the bottom of a lake has more buoyant force on it than 1.0 kg of…

A: Given Data : The density of the water is given as ρwater=1001.8 kgm3 The density of the lead is…

Q: Match the answers with questions for blocks B and C. 20 g 10 cm D B E 20 g 10 cm 40 g 10 cm 40 g 20…

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Q: Select the environment: Distance between point A and B = 60 cm Earth (g=9.8 m/s²) Density of the…

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Q: A small dock floats in the water. The dock is 2 m wide and 3 m long. With no one on the dock it…

A: Let N number of students can be piled on the dock.

Q: Q2: The space between two large plane surfaces kept 2.5 cm apart is filled with liquid of viscosity…

A: Given: The space between two plane surfaces is d = 2.5 cm The coefficient of viscosity of the liquid…

Q: Current Attempt in Progress The density of ice is 917 kg/m³, and the density of sea water is 1025…

A: density of ice = 917 kgm3density of sea water = 1025 kgm3volume of floating ice peice (V) = 6.74 m3…

Q: A car engine with a given weight of w, is suspended in air by a cable that is connected to a…

A: