# Fluids Questions and Answers

Physics

Fluids Solutions

Water is moving at through a horizontal hose. The radius of the hose changes. When the radius of the hose is 0.08 m, the speed of the water is 2 m/sec. What is the radius of the hose when the speed of

Physics

Fluids Solutions

Water is moving at through a horizontal hose at a a velocity of 2 m/sec. The radius of the hose is 0.08 m. What is the volume flow rate of the water? 0.04 m³/sec 0.4 m³/sec 4.0 m³/sec. 40.0 m³/sec

Physics

Fluids Solutions

Atmospheric pressure is about 1.01 x 105 Pa. How large a force does the atmosphere exert on a 4 cm² on the top of your head?

Physics

Fluids Solutions

The figure below shows a horizontal pipe with a varying cross section. A liquid with a density of 1.65 g/cm³ flows from left to right in the pipe, from larger to smaller cross section. The left side's

Physics

Fluids Solutions

When you place an egg in water, it sinks. If you add salt to the water, after some time the egg floats. Choose the correct explanation. Adding salt to the water increases its volume. When the volume

Physics

Fluids Solutions

Two identical glasses are filled to the same level with water. One of the two glasses has a large ice cube floating partially submerged in it. Which glass weighs more? . . A) The glass without the ice

Physics

Fluids Solutions

Water is hard to compress as its bulk modulus is 2.0 x 10° pascals. If a volume of water is subjected to a pressure increase of 150 pascals and its initial volume is 480 cubic meters, (a) What will be

Physics

Fluids Solutions

Jason takes off across level water on his jet-powered skis. The combined mass of Jason and his skis is 75 kg (the mass of the fuel is negligible). The skis produce a forward thrust of 200 N and have a

Physics

Fluids Solutions

Given a sphere of diameter 0.001 m and velocity = 30 m/s show whether quadratic or linear terms dominate the drag force present. For (A) find the velocity at t = 2.0 seconds given that c1 = 10 and c2

Physics

Fluids Solutions

A cannon tilted upward at θ = 25° fires a cannonball with a speed of 94 m/s. Part A At that instant, what is the component of the cannonball's velocity parallel to the ground? Express your answer in

Physics

Fluids Solutions

A piston of surface area 1200 mm² moves inside a cylinder with a velocity of 6 m/s. The piston has a diameter of 50 mm and the cylinder has a diameter of 50.2 mm. The space between symmetrically

Physics

Fluids Solutions

The radius of a soap bubble is r. The surface tension solution T. Keeping soap temperature constant, the radius of the soap bubble is doubled, the energy necessary for this will be (1) 24πr² T (2)