Answered: 3. Given the Velocity-Time graph of an…

3. Given the Velocity-Time graph of an object moving in straight line. Find the average speed and average velocity of the object V (m/s) 20 - 10 8 t (s) 10 -10- -20

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 13P: A person lakes a trip, driving with a constant speed of 89.5 km/h, except, for a 22.0-min rest stop....

See similar textbooks

Related questions

Q: 4. It is defined as the change in the position of a particle during a time interval. a. Average…

A: When a particle moves in a specific direction and changes its position with time, then the velocity…

Q: 5. A dropped (initial velocity of zero) tennis ball accelerates over a displacement of 12.6 m. What…

Q: 6. How much time will it take for a bug to travel 5 meters across the floor if it is traveling at 1…

A: Dear student, According to the guidelines I am allowed to answer only one…

Q: A truck traveling 75 km/h accelerates at the rate of 2.8 m/s2. How much time is required for the…

A: Given Initial speed of truck u = 75 km/h Acceleration of truck a = 2.8 m/s2 Final speed of truck…

Q: 3) A train is traveling at a certain speed. When the conductor applies the brakes, it takes 1 minute…

Q: The average velocity of a particle over an interval of time is either smaller than or equal to the…

Q: 4. Suppose that typoon adding accelerates from 10 km/hr to 12 km/hr in just 30 min. If it continuous…

A: Given : vi = 10 km/hr = 2.778 m/s vf = 12 km/hr = 3.333 m/s t = 30 min = 1800 seconds

Q: 1. A motorcycle from rest accelerates uniformly over a time of 5.0 s and covers a distance of 20…

A: Given in question - Initial speed(u) = 0 {since starts from rest}…

Q: 4. A French high velocity train accelerated uniformly from 350km/hr to 500 km/hr as it moves through…

Q: 9) A speedy car goes with initial velocity of 20m/s to a velocity of 35m/s by traveling a…

A: Given : Initial velocity →u=20 m/s Final velocity →v=35 m/s Displacement →s=30 m

Q: 7- If a body having starts moving from rest with uniform acceleration 8 m/sec. Find the velocity and…

Q: 2. The velocity of a car increases from 2.0 m/s at 1.0 s to 16 m/s at 4.5 s. What is the car's…

A: Given: Initial Velocity u = 2.0 m/s Final Velocity v = 16 m/s t1 = 1.0 s t2 = 4.5 s

Q: 4. The fastest humans can throw a baseball tops out at around 100 mi/hr. If an individual throws a…

A: Given that,speed of ball, v=100mihrv=100×1.609×10003600v=44.6945msfree fall acceleration, a=9.8ms2

Q: 2. An Olympian-class sprinter starts a race with an acceleration of 4.50 m/s². What is her speed…

A: Given, the acceleration of the sprinter, a = 4.50 m/s2 and the time interval of t = 2.40 seconds…

Q: 2. A bike accelerates uniformly from rest to a speed of 7.10 m/s over a distance of 35.4 m.…

Q: 13. A sky diver in free fall reaches a speed of 65.2 m/s when she opens her parachute.re The…

Q: 3) A car slows down from 24 m/s to 15 m/s in 12 seconds. What is the driver's acceleration? Equation…

A: Given: vf=15msvi=24mst=12sa=?

Q: 1-A body starting from rest covers a distance of 9 m in the fifth second. The acceleration of the…

A: given: distance(s)=9m nth second given(n)=5 body starts from rest,therefore initial velocity(u)=0 to…

Q: 3. A train travels 120 km in 2 hours and 30 minutes. What is its average speed?

A: According to question GIVEN DATA 1) distance=120km 2) time=2 hours and 30 mins time= 150 mins…

Q: 1. The following data gives the velocity of a particle for 20 seconds at an interval of 5 seconds.…

Q: What is the average speed of a car during the first 10 seconds of acceleration when it starts from…

A: Acceleration (a) = 3 ft/s² Time (t) = 10 sec Initial speed (Vi) = 0 To calculate average speed first…

Q: Velocity (m/s [S]) 30 20 10 0 -10 -20 -30 5 Velocity vs. Time 10 15 20 Time (s) 25 30 35

Q: 2. A car starts from rest and accelerates uniformly over a time of 5.21 seconds for a distance of…

A: Given The time up to which the car accelerates is t = 5.21 s. The distance covered by the car is d…

Q: 1. A football player runs 15 meters to the left and it takes 4 seconds. Determine his average speed.…

A: Here, distance d = 15 meters time t = 4 seconds

Q: 5. GO The data in the following table describe the initial and final posi- tions of a moving car.…

Q: 2.) A race car starts at rest and speeds up to 40 m/s in a distance of 100 m. Determine the…

A: Given Initial speed of car is vo= 0 Final speed of car is v=40 m/s Distance travelled is d=100 m

Q: 1- The SI unit of time is min. O true

Q: 1. The following are examples of speed EXCEPT. A. 40 m/s B. 50 m/s C. 62 m/s West D. 75 m/s

A: Answering the first question. Speed is a scalar quantity, which is the measure of how fast an object…

Q: A person walks first at a constant speed of 5.50 m/s along a straight line from point A to point B…

A: Let the distance from A to B is d.Write the expression to find the time taken in both trips.

Q: 9. Suppose that a runner on a straight track covers a distance of 1 mile in exactly 4 mins. What was…

A: Given: Distance covered: s=1 [mile] Time taken to cover that distance: t=4 [mins] The average…

Q: A brick is dropped from the roof of a tall building. After it has been falling for a few seconds, it…

Q: A car has a final velocity of 10 m/s and an acceleration of -2 m/s2. If it has been moving for 8…

A: The equation of motion is given by, v=u+at Here, v is the final velocity, u is the initial velocity,…

Q: 4. A car company claims that its car can accelerate from rest to a speed of 28.0 m/s in 20.0 s. Find…

Q: 2. Can you conclude that a car is not accelerating if its speed- ometer indicates a steady 60 km/h?…

A: Given:- omelet indicates a steady speed of 60km/h .

Q: What does the speedometer of a car measure speed or velocity? Explain.

A: Speedometer

Q: 55. •Use the following velocity versus time graph (Figure 2-25) for a kangaroo rat running in its…

A: The area under the v-t graph gives us the displacement. For 1 block the area = 0.05 x 10 x10-3= 5 x…

Q: 1. A car travels 4.5 km in 10 minutes. What was its average velocity? ANSWER:

A: Find the average velocity of the car. vavg=∆dt Here, ∆d is the distance of the car travel and t is…

Q: 3. An object is dropped from a height. a. Describe its velocity as its falls to the ground. b.…

A: (a) When the object is dropped from a height, its initial velocity is zero. Due to gravity acting…

Q: 13. Initial velocity = 10 ms-', final velocity = 2ms-', acceleration = -4ms-2. Find the distance. a)…

A: Given: The intnial velocity of the object is 10 m/s. The final velocity of the object is 2 m/s. The…

Q: 7- In a slap shot, a hockey player accelerates the puck from a velocity of 8.00 m/s to 40.0 m/s in…

Q: 1039. A car accelerates fori sec from rest to a velocity of 48 ft per sec, the accelera- tion…

Q: 5. Relate the two objects (A and B) that start at x = 0 at t = 0 and move in one dimension…

A: Acceleration is given as ; a = dv/dt = slope of( v-t) curve . In diagram A Slope of v-t diagram is…

Q: 20. A car is traveling in a straight line. When the driver brakes, the speed decreases from 12.0 m/s…

Q: 25.) A ball is thrown upward (call this positive) with a speed of approximately 10 m/s. Which of the…

A: V = V0 - gt This is the kinematics 1st equation. Here V is the final velocity in terms of initial…

Q: 10. Initial velocity = 6 m s-', final velocity = 8 ms-', acceleration = 0-5 ms-2. Find the distance.…

A: Given : Initial velocity (vo) = 6 ms-1 Final velocity (v) = 8 ms-1 Acceleration (a) = 0.5 ms-2

Q: 3.) A bicyclist starts at rest and speeds up to 30 m/s while accelerating at 4 m/s?. Determine the…

A: Using equation of motion we get the answer of this problem

Q: -13 The diagram above shows the velocity(m/s) versus time(s) graph of a man driving a car along a…

Q: A train moves along a straight track with acceleration - 3 m/s². If the initial velocity of the…

A: Given : acceleration, a = t10 - 3 m/s2 Initial velocity, u = 45 m/s Time, t = 1 min =…

Q: 5.A child throws a ball straight down off the balcony of an apartment building ata speed of 7.7…

Question

3. Given the Velocity-Time graph of an object moving in straight line. Find the
average speed and average velocity of the object
V (m/s)
20
10
→t(s)
8 10
-10
-20
or

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

A person lakes a trip, driving with a constant speed of 89.5 km/h, except, for a 22.0-min rest stop. If the persons average speed is 77.8 km/h, (a) how much time is spent on the trip and (b) how far does the person travel?
Do highway speed limit signs refer to average speeds or to instantaneous speeds? Explain.
A person lakes a trip, driving with a constant speed of 89.5 km/h, except, for a 22.0-min rest stop. If the persons average speed is 77.8 km/h, (a) how much time is spent on the trip and (b) how far does the person travel?
12. You are driving home from at 85.0 km/h for 130. km, then you slowed down to 70.0 km/h. You arrived home after driving 3.00 hours and 10.0 minutes. What was your average speed in mete/h * O a) 73000 O b) 75 152 O c) 77 200 O d) 77500 nota
Physics 30S Science & Technology 2240 Grant Ave. Winnipeg. MB R2C IL6 Shaflesbury High School Motion: Speed/Velocity & Acceleration Ad V = At a = Average Velocity, 1. A man jogs 5.0 km (5000 m) in 27 minutes. a) What is the time interval (At) in seconds? b) Calculate his average speed in metres per second (m/s). Average Acceleration, At 2. An object has a position of 13 metres west. 5.0 seconds later it's at 7 metres east. a) What was the initial position? b) What was the change of position or displacement (Ad)? c) What was the average velocity? 3. A world class sprinter runs 100.0 m in 8.90 s. What was his average speed? 4. A hiker gets lost in a forest. He walks half-way around a circle with a radius of 2.1 km in 2.0 hours. a) What distance did he walk? b) What was his average speed? c) What was his displacement? d) What was his average velocity? WE S C-2rr 5. A car has an average highway speed of 90 km/h or 25 m/s. At this speed; how long will it take to drive to Kenora which is 190…
5. Derive a formula that relates the displacement, final velocity, time and constant acceleration of an object in UARM (Uniformly Accelerated Rectilinear Motion). Use that formula to find the time it takes for a particle to attain a velocity of 30" given that the constant acceleration is 6 and the particle's displacement is 25m to the left of the origin. Supnoce on olectron hee an ngoolorotion dofinad by a (t) 20to-t where t ie
7. A person takes a trip, driving with a-constant speed of s T km/h, except for a 22.0-min rest stop. If the person's age speed is 77.8 km/h, (a) how much time trip and (b) how far does the person travel? aver- spent on the
A runner travels at the following speeds: A. 11.5 km/hr for 3.71 min. B. 10.6 km/hr for 2.39 min. C. 14.5 km/hr for 1.92 min. Determine the average velocity over the entire interval and report your result in km/hr.
2. We are given the velocity funtion of mouing car Along an east-wed4 highung is V(4) = 3€²-24 where t- hours afterho and distance is measured east is the positive direction, in miles, Note that going A If st) is the position in miles from Norton Tewn Mall and at 1 pm the car was at Norton Town Hall, find S(4) B) What was the average velocity of the car from Zpm to 5 pm! Include units of measurementi ) Set up o formula involving either s(E) or the total distance trave lled by the objét from Ipm to tpm? Answer simpligye v(t) that gves must have s" er v's in it. Do not
5. Derive a formula that relates the displacement, final velocity, time and constant acceleration of an object in UARM (Uniformly Accelerated Rectilinear Motion). Use that formula to find the time it takes for a particle to attain a velocity of 30“, given that the constant acceleration is 6 and the particle's displacement is 25m to the left of the s2 origin.
3. A particle is moving along a straight line according to the equation of motion s = t³ – 40t where s is in meters. Calculate the following: (a) The instantaneous velocity at t=5sec. (b) The average velocity during the fourth second. (c) When the particle again comes to rest, what is its acceleration?
15. A ball is hit upward with an initial velocity of 128 feet per second. After t seconds, its height h(t) is given by the function h(t) = -16t?+128t+4. What is the maximum height in feet of the ball? a. 268 feet b. 256 feet C. 264 feet d. 260 feet