Question
3
(a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 25.8 m. Assume the density of the water is 1.00 x 103 kg/m5 and the air above is
at a pressure of 101.3 kPa.
Ра
(b) What force is exerted by the water on the window of an underwater vehicle at this depth if the window is circular and has a diameter of 37.0 cm?
Expand
Transcribed Image Text

3 (a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 25.8 m. Assume the density of the water is 1.00 x 103 kg/m5 and the air above is at a pressure of 101.3 kPa. Ра (b) What force is exerted by the water on the window of an underwater vehicle at this depth if the window is circular and has a diameter of 37.0 cm?

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Physics

Fluid Mechanics

Related Physics Q&A

Find answers to questions asked by students like you.

Q: A fixed 19.7-cm-diameter wire coil is perpendicular to a magnetic field 0.57 T pointing up. In 0.25 ...

A: Consider the change in magnetic field be dB, the time interval be dt, the diameter of the wire coil ...

Q: a. What is the electric field strength at the position of the electron in (Figure 1)? Assume that B ...

A: Given:

Q: A 866-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it re...

A: Given:

Q: 6 The dagram belaw repesentb a light ay reHlecting fram a plane miner Normal ught 0 10 70 ao TTTTI P...

A: According to the law of reflectionAngle of incidence is equal to the angle of reflection. And both t...

Q: Physics Question

A: Given information:Weight of the block = wAngle of inclination = θCoefficient of kinetic friction = µ...

Q: why does air sink at the poles?

A: Since, the air is dense at poles, the air sink at the pole. The heat of sun is more at equator than ...

Q: A particle moves in simple harmonic motion with a period of 0.3 s and an amplitude of 6 cm. What are...

A: Click to see the answer

Q: A bullet of mass m1 = 10.00 g that has a velocity of v1 in the horizontal direction hits and gets fu...

A: Consider the momentum conservation.

Q: A 845-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it re...

A: Find acceleration of the car during this period,

Q: A Helmholtz resonator is observed to oscillate at 400 Hz when someone blows across the top of it. If...

A: The formula for the frequency of Resonance is:

Q: Given: power needed to run the TV: 500W What is the cost of running the T.v if we binge watch 5 hour...

A: Click to see the answer

Q: (a) Calculate the angular momentum of Earth that arises from its spinning motion on its axis, treati...

A: (a). the moment of inertia of the sphere is

Q: A person exerts a horizontal force of 80 N on the end of a door 78 cmwide. What is the magnitude of ...

A: (a) The torque is given by

Q: A watermelon weighs 5.00 lb on Earth. What would it weigh on the Moon, where the free-fall accelerat...

A: Consider the weight of the watermelon on Earth be we, the mass of the watermelon on Earth be me, the...

Q: The figure shows a rod of length L rod has resistance 0.459 ; the rest of the loop has negligible re...

A: Write the expression for the magnetic field produced due to current carrying wire.

Q: Question 22 23

A: From the geometry, the height from which the ball is released is

Q: Calculate the magnitude of the linear momentum for the following cases.

A: Consider the Earth of mass(m) moving with the orbital speed(v) in its orbit.

Q: A rocket zooms past the earth at v =2.0×106m/s. Scientists on the rocket have created the electric a...

A: (a) Write the relativistic expression for electric field

Q: You pull on a string with a horizontal force of magnitude Fyb = 44 N that is attached to a block of ...

A: Write an expression for conservation of energy

Q: Find the magnitude of the gravitational force (in N) between a planet with mass 7.25 ✕ 1024 kg and i...

A: Given:

Q: A physicist and a chemist are playing tug-of-war. certain length of time during the game, the partic...

A: The answer to the solution is option B)The tension in the string would remain equal to the force exe...

Q: After falling from rest from a height of 31 m, a 0.60-kg ball rebounds upward, reaching a height of ...

A: Assume that the velocity in downward direction is negative and in upward direction is positive. Velo...

Q: A radio antenna broadcasts a 1.0 MHz radio wave with 26.0 kW of power. Assume that the radiation is ...

A: (a). The wave's intensity 30.0 km from the antenna is,

Q: A small cart with low friction wheels is attached to a sturdy wall with a high quality spring that h...

A: 2.            Velocity of the cart – D

Q: Need help on a review question

A: the work done is equal to the change in kinetic energy,the work done is, 

Q: After falling from rest from a height of 25 m, a 0.60-kg ball rebounds upward, reaching a height of ...

A: The velocity of the ball before reaching the ground is,Substitute the values,

Q: - A 7.1 kg body undergoes an acceleration of 4.2 m/s2. (a) What is the magnitude of the resultant f...

A: Given:For part (a):m = 7.1 kga = 4.2 m/s2for part (b):m = 4.3 kg

Q: Review | Constants Part A Given two vectors A = 4.00 i 3.20 j and B = 5.00 i - 2.40 j , find the sca...

A: Given:Vector A = 4 i + 3.2 jVector B = 5 i – 2.4 j

Q: Six moles of an ideal gas are in a cylinder fitted at one end with a movable piston. The initial tem...

A: Given,

Q: A potter is shaping a bowl on a potter's wheel rotating at constant angular velocity of 1.8 rev/s. T...

A: (A) Write the expression for the torque produced by the frictional force.

Q: Chapter 11, Problem 043 In the figure, two skaters, each of mass 55.6 kg, approach each other along ...

A: Since we are entitled to answer up to 3 sub-parts, we’ll answer the first 3 as you have not mentione...

Q: 15.PMMA oly methyLmethacrylak)IS a transparent themoplastic Itis used as carematenal as fiber ophes,...

A: Given information:Refractive index of the PMMA (n1) = 1.49General information:Refractive index if ai...

Q: The principle of relativity was recognised as both a mechanical and optical effect. Einstein believe...

A: Part A:The answer to the question is that the he can see his reflection in the mirror.Part B:His con...

Q: Need help with this optics question

A: Consider the magnification of the mirror be M, the object’s distance from the mirror be u, the image...

Q: A bag of sugar weighs 3.00 lb on Earth. What would it weigh in newtons on the Moon, where the free-f...

A: Given,

Q: On the planet Gizmo, the inhabitants travel by high speed trains that run on air tracks much like th...

A: Given information:

Q: A solid, uniform disk of radius 0.250 m and mass 51.2 kg rolls down a ramp of length 4.60 m that mak...

A: (a) Write an expression using conservation of energy.

Q: Figure shows a block of mass m resting on a 20∘ slope. The block has coefficients of friction μs = 0...

A: Let T be the tension force in the string, f be the frictional force, theta be the incination angle, ...

Q: A 59.0-kg ice skater is moving at 4.07 m/s when she grabs the loose end of a rope, the opposite end ...

A: a)The required force is,

Q: A 4600 kg helicopter accelerates upward at 2.0 m/s2. Determine the lift force exerted on the propell...

A: Equation for lift force exerted is

Q: A cube, whose mass is 0.700 kg, is attached to a spring with a force constant of 132 N/m. The cube r...

A: a)Given thatThe mass of the block is m=0.700 kgForce constant of the spring k=132N/m

Q: Week 5 Fall 2019 Three vectors 13 of 15 Review | Constants Consider three vectors AB and C all lying...

A: Part A:The vector A can be expressed in terms of their components as,The vector B can be expressed i...

Q: A student bikes to school by traveling first dN = 1.10 miles north, then dW = 0.300 miles west, and ...

A: Vector showing the displacement in north direction is,

Q: 1 of 1 Previous Answers Request Answer Submit Incorrect; Try Again; 9 attempts remaining Part D Whic...

A: Using the conservation of energy,            The spring potential energy = potential energy gained a...

Q: Calculate the magnitude of the linear momentum for the following cases. (a) a proton with mass 1.67 ...

A: a)write the expression for the linear momentum

Q: 3 A skater increases her speed uniformly from 2.0 meters second to 7.0 meters second per per over a ...

A: Let v be the final velocity of the skater, u be the initial velocity, a be the acceleration, and s b...

Q: What would be the acceleration of gravity (in m/s2) at the surface of a world with nine times Earth'...

A: LetMass of the earth = MeMass of the world = MwRadius of the earth = ReRadius of the world = Rw

Q: Let vectors A=(2,1,−4), B=(−3,0,1), and C=(−1,−1,2).Calculate the following: What is the angle θAB b...

A: Given,

Q: A train locomotive pulls a train with a mass of 1.40 ✕ 107 kg on level rails. The locomotive exerts ...

A: Given,

Q: (A) Find the magnitude of the gravitational force (in N) between a planet with mass 7.75 ✕ 1024 kg a...

A: (a) The magnitude of gravitational force is given by,