2.45 • BIO The rocket-driven sled Sonic Wind No. 2, used for investigating the physiological effects of large accelerations, runs on a straight, level track 1070 m (3500 ft) long. Starting from rest, it can reach a speed of 224 m/s(500 mi/h) in 0.900 s. (a) Compute the acceleration in m/s?, assuming that it is constant. (b) What is the ratio of this acceleration to that of a freely falling body (g)? (c) What distance is covered in 0.900 s? (d) A magazine article states that at the end of a certain run, the speed of the sled de- creased from 283 m/s (632 mi/h) to zero in 1.40 s and that during this time the magnitude of the acceleration was greater than 40g. Are these figures consistent?

2.45 • BIO The rocket-driven sled Sonic Wind No. 2, used for investigating the physiological effects of large accelerations, runs on a straight, level track 1070 m (3500 ft) long. Starting from rest, it can reach a speed of 224 m/s(500 mi/h) in 0.900 s. (a) Compute the acceleration in m/s?, assuming that it is constant. (b) What is the ratio of this acceleration to that of a freely falling body (g)? (c) What distance is covered in 0.900 s? (d) A magazine article states that at the end of a certain run, the speed of the sled de- creased from 283 m/s (632 mi/h) to zero in 1.40 s and that during this time the magnitude of the acceleration was greater than 40g. Are these figures consistent?

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Description: 2.45 • BIO The rocket-driven sled Sonic Wind No. 2, used forinvestigating the physiological effects of large accelerations, runson a straight, level track 1070 m (3500 ft) long. Starting from rest,it can reach a speed of 224 m/s(500 mi/h) in 0.900 s

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

Displacement, Velocity and Acceleration

In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.

Linear Displacement

The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.

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Question

2.45 • BIO The rocket-driven sled Sonic Wind No. 2, used for
investigating the physiological effects of large accelerations, runs
on a straight, level track 1070 m (3500 ft) long. Starting from rest,
it can reach a speed of 224 m/s(500 mi/h) in 0.900 s. (a) Compute
the acceleration in m/s?, assuming that it is constant. (b) What is
the ratio of this acceleration to that of a freely falling body (g)?
(c) What distance is covered in 0.900 s? (d) A magazine article
states that at the end of a certain run, the speed of the sled de-
creased from 283 m/s (632 mi/h) to zero in 1.40 s and that during
this time the magnitude of the acceleration was greater than 40g.
Are these figures consistent?

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