Page 16 of 20Question 16 (1 point)If the velocity versus time graph of an object is a horizontal line, parallel to the +xaxis, the object isa) moving with constant non-zero accelerationb) moving with increasing speedc) moving with decreasing speedd) moving with zero acceleratione) at restPrevious PageNext PagePage 16 cCalculatorGuidelinesWebcam

When the velocity versus time graph of an object is a horizontal line parallel to the +x axis, it…

Answered: Page 16 of 20 Question 16 (1 point) If…

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter2: Kinematics

Section: Chapter Questions

Problem 4CQ: A student writes, "A bird that is diving for prey has a speed of -10 m / s." What is wrong with the...

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The kinematic equations can describe phenomena other than motion through space and time. Suppose x represents a persons bank account balance. The units of x would be dollars (), and velocity v would give the rate at which the balance changes (in units of, for example, /month). Acceleration would give the rate at which v changes. Suppose a person begins with ten thousand dollars in the bank. Initial money management, leads to no net change in the account balance so that v0 = 0. Unfortunately, management worsens over time so that a = 2.5 102 /month2. Assuming a is constant, find the amount of time in months until the bank account is empty
Kinematics graphs are great for showing how a quantity depends on time. For example, an acceleration-versus-time graph shows how acceleration depends on time. a. Based on your experience with two other kinematics graphs (position- and velocity-versus-time), describe how to plot an acceleration-versus-time graph. b. Describe how all three kinematics graphs are connected by slopes of tangent lines (derivatives). c. If a particles acceleration is positive and constant, what is the shape of the curve in each of the three kinematics graphs?
An object that is thrown straight up falls back to Earth. This is one-dimensional motion. (a) When is its velocity zero? (b) Does its velocity change direction? (c) Does the acceleration clue to gravity have the same sign on the way up as on the way clown?
An airplane leaves Chicago and makes the 3000-km trip Los Angeles in 5.0 h. A second plane leaves Chicago one-half hour later and arrives in Los Angeles at the same time. Compare the average velocities of the two planes. Ignore the curvature of Earth and the difference in altitude between the two cities.
The graph in Figure 1.38 shows the distance versus time for an elevator as it moves up and down in a building. Compute the elevator's velocity at the times marked a, b, and c.
Visualize the connection for the descriptions of motions in the sections and give answers in the blanks.
A fireworks shell is accelerated from rest to a velocity of 65.0 m/s over a distance of 0.250 m. (a) How long did the acceleration last? (b) Calculate the acceleration.
An object is in motion when it undergoes a continuous change of ___. (2.1)
A convenient time unit for short time intervals is the millisecond. Express 0.0452 s in milliseconds.
Give an example of a device used to measure time and identify what change in that device indicates a change in time.
Compare the distance traveled of an object that undergoes a change in velocity that Is twice its initial velocity with an object that changes its velocity by four times its initial velocity over the same time period. The accelerations of both objects are constant.
Acceleration may result from what? (2.3) (a) an increase in speed (b) a decrease in speed (c) a change in direction (d) all of the preceding

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