A lab technician uses a cylindrical projectile launcher to throw rubber spheres horizontally at a nearby vertical target. Using a radar gun, she establishes that a sphere with a mass of 0.150 kg and diameter of 6.00 cm has its speed reduced by 10% due to air resistance when the initial speed is of 46.0 m/s as it travels from the launch site to the target a distance of 18.0 m away. Due to the air resistance, a change in temperature occurs initially only for the air in a cylinder equal to the volume of air swept out by the sphere. Determine the maximum possible temperature change (in °C) for this air when the temperature of the air is 20.0°C. To find the greatest possible temperature change, you may make the following assumptions: air has a molar specific heat of C₁ = (-)R, an equivalent molar mass of 28.9 g/mol, and a density of 1.20 kg/m³. °C

A lab technician uses a cylindrical projectile launcher to throw rubber spheres horizontally at a nearby vertical target. Using a radar gun, she establishes that a sphere with a mass of 0.150 kg and diameter of 6.00 cm has its speed reduced by 10% due to air resistance when the initial speed is of 46.0 m/s as it travels from the launch site to the target a distance of 18.0 m away. Due to the air resistance, a change in temperature occurs initially only for the air in a cylinder equal to the volume of air swept out by the sphere. Determine the maximum possible temperature change (in °C) for this air when the temperature of the air is 20.0°C. To find the greatest possible temperature change, you may make the following assumptions: air has a molar specific heat of C₁ = (-)R, an equivalent molar mass of 28.9 g/mol, and a density of 1.20 kg/m³. °C

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

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

Question

A lab technician uses a cylindrical projectile launcher to throw rubber spheres horizontally at a nearby vertical target. Using a radar gun, she establishes that a
sphere with a mass of 0.150 kg and diameter of 6.00 cm has its speed reduced by 10% due to air resistance when the initial speed is of 46.0 m/s as it travels
from the launch site to the target a distance of 18.0 m away. Due to the air resistance, a change in temperature occurs initially only for the air in a cylinder equal
to the volume of air swept out by the sphere. Determine the maximum possible temperature change (in °C) for this air when the temperature of the air is
20.0°C. To find the greatest possible temperature change, you may make the following assumptions: air has a molar specific heat of C =
= (5) R₁ =
molar mass of 28.9 g/mol, and a density of 1.20 kg/m³.
°℃
an equivalent

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