A child playing in a swimming pool realizes that it is easy to push a small inflated ball under the surface of the water whereas alarge ball requires a lot of force. The child happens to have a styrofoam ball (the shape of the ball will not distort when it isforced under the surface), which he forces under the surface of the water. If the child needs to supply 5.00 x 102 N to totally1.000 x 103 kg/m³, the density of styrofoamsubmerge the ball, calculate the diameter d of the ball. The density of water isPw =isPfoam95.0 kg/m', and the acceleration due to gravity is g9.81 m/s?.d = A platinum sphere with radius 0.0175 m is totally immersed in mercury. Find the weight of the sphere, the buoyant force actingon the sphere, and the sphere's apparent weight. The densities of platinum and mercury are 2.14 x 104 kg/m³ and 1.36 × 104kg/m³, respectively.weight:Nbuoyant force:Napparent weight:N

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A child playing in a swimming pool realizes that it is easy to push a small inflated ball under the surface of the water whereas a large ball requires a lot of force. The child happens to have a styrofoam ball (the shape of the ball will not distort when it is forced under the surface), which he forces under the surface of the water. If the child needs to supply 5.00 x 102 N to totally submerge the ball, calculate the diameter d of the ball. The density of water is pw = 1.000 x 10 kg/m³, the density of styrofoam is Pfoam = 95.0 kg/m³, and the acceleration due to gravity is g = 9.81 m/s². d = m

A child playing in a swimming pool realizes that it is easy to push a small inflated ball under the surface of the water whereas a large ball requires a lot of force. The child happens to have a styrofoam ball (the shape of the ball will not distort when it is forced under the surface), which he forces under the surface of the water. If the child needs to supply 5.00 x 102 N to totally submerge the ball, calculate the diameter d of the ball. The density of water is pw = 1.000 x 10 kg/m³, the density of styrofoam is Pfoam = 95.0 kg/m³, and the acceleration due to gravity is g = 9.81 m/s². d = m

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Fluid Pressure

The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.

Gauge Pressure

Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.

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Question

A child playing in a swimming pool realizes that it is easy to push a small inflated ball under the surface of the water whereas a
large ball requires a lot of force. The child happens to have a styrofoam ball (the shape of the ball will not distort when it is
forced under the surface), which he forces under the surface of the water. If the child needs to supply 5.00 x 102 N to totally
1.000 x 103 kg/m³, the density of styrofoam
submerge the ball, calculate the diameter d of the ball. The density of water is
Pw =
is
Pfoam
95.0 kg/m', and the acceleration due to gravity is g
9.81 m/s?.
d =

A platinum sphere with radius 0.0175 m is totally immersed in mercury. Find the weight of the sphere, the buoyant force acting
on the sphere, and the sphere's apparent weight. The densities of platinum and mercury are 2.14 x 104 kg/m³ and 1.36 × 104
kg/m³, respectively.
weight:
N
buoyant force:
N
apparent weight:
N

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A child playing in a swimming pool realizes that it is easy to push a small inflated ball under the surface of the water whereas a large ball requires a lot of force. The child happens to have a styrofoam ball (the shape of the ball will not distort when it is forced under the surface), which he forces under the surface of the water. If the child needs to supply 527 N to totally submerge the ball, calculate the diameter d of the ball. The density of water is Pw 1.000 x 103 kg/m³, the density of styrofoam is Pfoam 95.0 kg/m³, and the acceleration due to gravity is g 9.81 m/s². 2.74 d Incorrect
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