💬 👋 We’re always here. Join our Discord to connect with other students 24/7, any time, night or day.Join Here!

Get the answer to your homework problem.

Try Numerade free for 7 days

Like

Report

A dogruns frompoints $A$ to $B$ to $C$ in 3.0 s. (See Figure $2.41 . )$ Find the dog's average velocity and average speed over this $3-$ second interval.

see solution

Physics 101 Mechanics

Chapter 2

Motion along a Straight Line

Physics Basics

Motion Along a Straight Line

Motion in 2d or 3d

Newton's Laws of Motion

Cornell University

Simon Fraser University

University of Sheffield

McMaster University

Lectures

04:16

In mathematics, a proof is…

04:48

In mathematics, algebra is…

02:44

(II) A dog runs 120 $\math…

01:34

Figure $2-21$ is the posit…

02:52

Figure 2.42 shows the posi…

02:58

Figure $2-23$ shows the po…

04:05

An object's position …

17:05

Q. An athlete starts at po…

01:30

A dog is running loose acr…

01:03

Average velocity The funct…

02:31

A velocity-time graph for …

02:02

Average velocity The graph…

10:25

Position, Displacement, an…

0:00

A woodchuck runs 20 m to t…

04:08

An object moves along the …

01:32

Refer to Figure $3-6$ to f…

01:25

(II) A person jogs eight c…

02:59

In Exercises 39–42, use th…

00:56

And the average accelerati…

07:06

AccelerationFrom $t=0$…

(a) Take the slope of the …

00:39

A particle travels along t…

let the positive extraction Toby doors slide So we have X day goingto meter xB seven meter next scene, six meter. So the average velocity it is, let's call it the a V slash X is equal. Do then X over lt This is a control XL minus X a over identity. So average velocity is the rate of change Off displacement addressed it to time. So we have $62 minus to me, done over two seconds. And this gifts the average for not scared to be called 1.3 meters per second average speed okay, is given by from it Scarlett. So please let's call it speed average. So spirit is given by the object's distance. Travelled over time on just a sea Cueto force last one less one me over two seconds and says he's going to do cool meat off the second. Now notice that the average speed is greater than the magnitude ofthe the average velocity. This is almost always true because average velocity is given by the rate of change of displacement of time, and displacement is the shortest distance Javert, so displacement should fall always. The less Stan are called distance. This means that the average velocity should also be less than on equal do average speed

View More Answers From This Book

Find Another Textbook

In mathematics, a proof is a sequence of statements given to explain how a c…

In mathematics, algebra is one of the broad parts of mathematics, together w…

(II) A dog runs 120 $\mathrm{m}$ away from its master in a straight line…

Figure $2-21$ is the position-time graph for a squirrel running along a clot…

Figure 2.42 shows the position of a moving object as a function of time. (a)…

Figure $2-23$ shows the position of a runner at different times during a run…

An object's position is given by $x=b t^{3},$ with $x$ in meters, $t$ i…

Q. An athlete starts at point $A$ and runs at a constant speed of 6.0 $\math…

A dog is running loose across an open field. In each case in the following f…

Average velocity The function $s(t)$ represents the position of an object at…

A velocity-time graph for an object moving along the $x$ axis is shown in Fi…

Average velocity The graph gives the position $s(t)$ of an object moving alo…

Position, Displacement, and Average VelocityCompute your average velocit…

A woodchuck runs 20 m to the right in 5 s, then turns and runs $10 \mathrm{m…

An object moves along the $x$ axis. Figure 2.43 shows a graph of its positio…

Refer to Figure $3-6$ to find the average acceleration of the train during t…

(II) A person jogs eight complete laps around a 400-m track in a total time …

In Exercises 39–42, use the formula$$=\frac{\text { Distance traveled }}…

And the average acceleration vector at point 1 of the three point motion dia…

AccelerationFrom $t=0$ to $t=5.00 \mathrm{min},$ a man stands still, and…

(a) Take the slope of the curve in Figure 2.76 to find the jogger's vel…

A particle travels along the curve from $A$ to $B$ in 1 s. If it takes 3 s f…

02:18

$\cdot$ A turntable that spins at a constant 78.0 rpm takes 3.50 s to reach …

03:43

$\bullet$ A force of magnitude 800.0 $\mathrm{N}$ stretches a certain spring…

04:50

$\cdot$ On a single diagram, carefully sketch each force vector to scale and…

05:14

. A 135 mm telephoto lens for a 35 mm camera has $f$ -stops that range from …

05:09

$\cdot$ The dimensions of the picture on a 35 $\mathrm{mm}$ color slide are …

04:52

$\bullet$ A large cylindrical tank contains 0.750 $\mathrm{m}^{3}$ of nitrog…

04:10

$\bullet$ The spin cycles of a washing machine have two angular speeds, 423 …

04:25

$\bullet$ The magnitude of the momentum of a cat is $p .$ What wouldbe t…

02:46

A carbon resistor having a temperature coefficient of resistivity of $-0.000…

02:47

A grinding wheel in the shape of a solid disk is 0.200 m in diameter and has…