Assume a certain liquid, with density 1 300 kg/m3, exerts no friction force on spherical objects. A ball of mass 2.30 kg and radius 8.90 cm is dropped from rest into a deep tank of this liquid from a height of 2.10 m above the surface.(a) Find the speed at which the ball enters the liquid.m/s(b) Evaluate the magnitudes of the two forces that are exerted on the ball as it moves through the liquid.gravitational forcebuoyant forceN(c) Explain why the ball moves down only a limited distance into the liquid.This answer has not been graded yet.Calculate this distance.liquid?(d) With what speed does the ball pop up out ofm/s(e) How does the time interval Atun during which the ball moves from the surface down to its lowest point, compare with the time interval At., for the return trip between the same two points?O The down interval is greater.O The up interval is greater.O The two intervals are equal.(f) Now modify the model to suppose the liquid exerts a small friction force on the ball, opposite in direction to its motion. In this case, how do the time intervals Atdown and At,n compare? Explain your answer with a conceptual argument rather than a numericalcalculation.

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Description: Assume a certain liquid, with density 1 300 kg/m3, exerts no friction force on spherical objects. A ball of mass 2.30 kg and radius 8.90 cm is dropped from rest into a deep tank of this liquid from a height of 2.10 m above the surface.(a) Find the s

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Assume a certain liquid, with density 1 300 kg/m, exerts no friction force on spherical objects. A ball of mass 2.30 kg and radius 8.90 cm is dropped from rest into a deep tank of this liquid from a height of 2.10 m above the surface. (a) Find the speed at which the ball enters the liquid. m/s (b) Evaluate the magnitudes of the two forces that are exerted on the ball as it moves through the liquid. gravitational force buoyant force N (c) Explain why the ball moves down only a limited distance into the liquid. This answer has not been graded yet. Calculate this distance. m (d) With what speed does the ball pop up out of the liquid? m/s (e) How does the time interval Atdownr during which the ball moves from the surface down to its lowest point, compare with the time interval At, for the return trip between the same two points? O The down interval is greater. O The up interval is greater. O The two intervals are equal. (f) Now modify the model to suppose the liquid exerts a small friction force on the ball, opposite in direction to its motion. In this case, how do the time intervals Atgown and Atup compare? Explain your answer with a conceptual argument rather than a numerical calculation.

Assume a certain liquid, with density 1 300 kg/m, exerts no friction force on spherical objects. A ball of mass 2.30 kg and radius 8.90 cm is dropped from rest into a deep tank of this liquid from a height of 2.10 m above the surface. (a) Find the speed at which the ball enters the liquid. m/s (b) Evaluate the magnitudes of the two forces that are exerted on the ball as it moves through the liquid. gravitational force buoyant force N (c) Explain why the ball moves down only a limited distance into the liquid. This answer has not been graded yet. Calculate this distance. m (d) With what speed does the ball pop up out of the liquid? m/s (e) How does the time interval Atdownr during which the ball moves from the surface down to its lowest point, compare with the time interval At, for the return trip between the same two points? O The down interval is greater. O The up interval is greater. O The two intervals are equal. (f) Now modify the model to suppose the liquid exerts a small friction force on the ball, opposite in direction to its motion. In this case, how do the time intervals Atgown and Atup compare? Explain your answer with a conceptual argument rather than a numerical calculation.

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

Assume a certain liquid, with density 1 300 kg/m3, exerts no friction force on spherical objects. A ball of mass 2.30 kg and radius 8.90 cm is dropped from rest into a deep tank of this liquid from a height of 2.10 m above the surface.
(a) Find the speed at which the ball enters the liquid.
m/s
(b) Evaluate the magnitudes of the two forces that are exerted on the ball as it moves through the liquid.
gravitational force
buoyant force
N
(c) Explain why the ball moves down only a limited distance into the liquid.
This answer has not been graded yet.
Calculate this distance.
liquid?
(d) With what speed does the ball pop up out of
m/s
(e) How does the time interval Atun during which the ball moves from the surface down to its lowest point, compare with the time interval At., for the return trip between the same two points?
O The down interval is greater.
O The up interval is greater.
O The two intervals are equal.
(f) Now modify the model to suppose the liquid exerts a small friction force on the ball, opposite in direction to its motion. In this case, how do the time intervals Atdown and At,n compare? Explain your answer with a conceptual argument rather than a numerical
calculation.

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