9. A car with its brakes applied has an acceleration of -1.2 m/s˄2. If its initial velocity is 10 m/s, the distance the car covers in the first 5 seconds after the acceleration begins is A. 15 m B. 32 m C. 35 m D. 47 m 12. A train starting at 30 km/h travels a distance of 21 km in 18 min. Determine the acceleration of the train at this instant. A. 0.0865 m/s˄2 B. 0.0206 m/s˄2 C. 0.3820 m/s˄2 D. 0.0043 m/s˄2 13A stone is dropped from a cliff. After it has fallen 30 m, the magnitude of its velocity is approximately A. 17 m/s B. 24 m/s C. 44 m/s D. 588 m/s Answer the following, i only need the letter of correct answer.
9. A car with its brakes applied has an acceleration of -1.2 m/s˄2. If its initial velocity is 10 m/s, the distance the car covers in the first 5 seconds after the acceleration begins is A. 15 m B. 32 m C. 35 m D. 47 m 12. A train starting at 30 km/h travels a distance of 21 km in 18 min. Determine the acceleration of the train at this instant. A. 0.0865 m/s˄2 B. 0.0206 m/s˄2 C. 0.3820 m/s˄2 D. 0.0043 m/s˄2 13A stone is dropped from a cliff. After it has fallen 30 m, the magnitude of its velocity is approximately A. 17 m/s B. 24 m/s C. 44 m/s D. 588 m/s Answer the following, i only need the letter of correct answer.
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter4: Motion In Two Dimensions
Section: Chapter Questions
Problem 4.47P: A police car traveling at 95.0 km/h is traveling west, chasing a motorist traveling at 80.0 km/h....
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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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9. A car with its brakes applied has an acceleration of -1.2 m/s˄2. If its initial velocity is 10 m/s, the distance the car covers in the first 5 seconds after the acceleration begins is
A. 15 m
B. 32 m
C. 35 m
D. 47 m
12. A train starting at 30 km/h travels a distance of 21 km in 18 min. Determine the acceleration of the train at this instant.
A. 0.0865 m/s˄2
B. 0.0206 m/s˄2
C. 0.3820 m/s˄2
D. 0.0043 m/s˄2
13A stone is dropped from a cliff. After it has fallen 30 m, the magnitude of its velocity is approximately
A. 17 m/s
B. 24 m/s
C. 44 m/s
D. 588 m/s
Answer the following, i only need the letter of correct answer.
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