Answered: If, at a certain instant, the speed of…

If, at a certain instant, the speed of an object is zero, then (A) Its acceleration is negative (B) Its acceleration is positive (C) Its acceleration is zero (D) Insufficient data

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter2: Motion In One Dimension

Section2.5: Motion Diagrams

Problem 2.5QQ: Which of the following statements is true? (a) If a car is traveling eastward, its acceleration must...

See similar textbooks

Related questions

Q: A ball is dropped from a boat so that it strikes the surface of a lake with a speed of 16.5 ft/s.…

Q: bject has an initial velocity of 15 m/s and a constant acceleration of 4 m/s^2. How long will it…

A: From Newton's equation of motion we can write thatv=u+athereu=initial velocity=15 m/sv=final…

Q: Can an object with constant acceleration reverse its direction of travel? Can it reverse its…

A: To determine: Explain, (a) Can an object reverse its direction of travel with constant acceleration?…

Q: KIINEMATICS: The position of the particle moving along a straight line is defined by the relation x…

A: Time when its velocity =0 t= ?

Q: An object with an initial velocity of 3.50 m/s moves east along a straight and level path. The…

Q: For an object in motion, is it possible for velocity to be constant while acceleration is zero?…

A: For an object in motion, is it possible for velocity to be constant while acceleration is zero?

Q: a car is traveling west at 22.5 m/s when it turns due south and accelerates to 40.0 m/s, all during…

A: Given data: Initial velocity (Vi) = 22.5 m/s, towards west Final velocity (Vf) = 40.0 m/s, towards…

Q: A particle is moving along a straight line such that its acceleration is defined as a(v)= -6v m/s2,…

Q: 24. An object moving in one dimension has the same initial and final velocities. Which of the…

A: Object moving in one dimension has same initial and final velocity .

Q: Suppose that a car traveling to the west begins to slow down as it approaches a traffic light.…

A: Acceleration is defined as the rate of change of velocity.

Q: The acceleration of a NASCAR race car is zero. Does this necessarily mean that the velocity of the…

A: No, if the acceleration of car is zero, it doesn't means that it's velocity is zero. In this case…

Q: Travelling with an initial speed of 19 m/s, a car accelerates at rate of 0.46 m/s² along a straight…

A: Given:Initial speed, u=19 m/sacceleration, a=0.46 m/s2final speed, v=33 m/s

Q: Suppose a car merges into freeway traffic on a 200-m-long ramp. If its initial velocity is 10.0 m/s…

A: Ramp length=200 m Initial velocity=10.0 m/s Acceleration=2 m/s2 Let "t" be the climbing time on a…

Q: An automobile moving with 72.0 km/hrs slows down with constant acceleration and stops in 100 m. What…

A: Initial speed of automobile (u) = 72 kmhr = 72×518 ms= 20 msFinal speed (v) = 0 msDistance covered…

Q: 3:18 GRAPHICAL REPRESENTATION OF MOTION Due Date: Nov 21, 2021 Instruction The graph is a very…

A: Disclaimer: “Since you have asked posted a question with multiple sub-parts, we will solve the first…

Q: To qualify for the finals in a racing event, a race car must achieve an average speed of 160 mi/hr…

Q: You leave your house and drive to your friend's house, where you stay a while. Then you come back…

A: Given Making a round trip from home to the friend's house and then coming back.

Q: 3 For each of the following journeys find (a) the initial and final positions (b) the total…

A: Note: According to our expert guidelines only first individual question and three subparts are to be…

Q: An object has an acceleration of zero. Which statement about the object's motion is correct?

A: given a=0

Q: An apple is thrown upwards. Which statement related to its acceleration is correct? Neglec Its…

A: The correct option is Its acceleration is constant.

Q: A car starts from rest and accelerates uniformly at 3.0 m/s2 toward the north. A second car starts…

Q: Car has started from rest with a constant acceleration of +30. m/s2 along a straight line and…

A: Given : Acceleration (a) = 30 m/s2 Initial velocity (vi) = 0 because car starts from rest Final…

Q: n New York there is a long straight avenue through the city, there are three speed limit signs. THEY…

A: Let us consider that for half the road the car travels for 60 km/h and the rest part can be…

Q: Gurl, same! An object moving in one dimension has the same initial and final velocities. Which of…

Q: Which of the following statements is correct for average velocity?

A: average velocity = total displacement /total time taken

Q: A jet plane beginning its takeoff moves down the runway at a constant acceleration of 4.30 m/s2. If…

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

Q: An object moving along a straight line is decelerating. Which one of the following statements…

A: As the object is moving in straight line deaccelerating that mean: Value of the acceleration is…

Q: I am taking a practice quiz in order to study. I can seem to understand this problem. I think that…

A: (a)The instantaneous velocity of the person was zero when he stayed at the friend’s house for a…

Q: If, for instance, the speed of an object is zero, then A) Its acceleration is negative B) Its…

A: Acceleration can be defined as the ratio of change in velocity to time. i.e, acceleration =…

Q: A motorist is driving his car at 60 km/hr when he observes that a traffic light 250m ahead turns…

Q: Which one of the following statements is true? (a) If a car is traveling eastward, its acceleration…

A: Step 1 (a) If the car is traveling eastwards, the acceleration can be either eastwards or in…

Q: A car is traveling east at 22.5 m/s when it turns due north and accelerates to 32.5 m/s during a…

Q: A race car increases its speed from 80 mi/h to 160 mi/h in a distance of 100m. Find (i) the…

A: Given data: The initial speed is u=80 mi/h. The final speed is v=160 mi/h. The distance covered is…

Q: as a car comes to a stop (which means velocity is equal to zero, when the car stops), it slows down…

A: given : u = 25 m/s, v=0, t=2.8 sec asked : acceleration a formula : v=u+at

Q: Car A is traveling on a highway at a constant speed (VA)0 = 60 mi/h and is 380 ft from the entrance…

A: Let car A’s initial position (x0A) coincide with the origin along the x-axis. Then, car B’s initial…

Q: If an object is thrown straight up with an initial speed v = 18 m/s from ground level, What will be…

A: Given data The initial speed is v=18 m/s The time is t=2 s The equation of motion for the object…

Q: Give a situation in which there are clear distinctions among distance travelled, displacement and…

A: Let us suppose the situation that a man is standing at point A and wants to reach the point D as…

Q: A car starts from rest with an acceleration of 6.8 m/s2 which decreases linearly with time to zero…

Q: A football player runs from his own goal line to the opposing team's goal line, returning to his…

Q: A driver is traveling at 48 kph and accelerates uniformly until it doubles it speed over a distance…

Q: 3 For each of the following journeys find (a) the initial and final positions [b] the total…

A: (a) From the graph, we can see that the initial position is 60 km and final position is 0 km.…

Q: On a one lane road, a person driving a car at v1 = 58 mi/h suddenly notices a truck 1.1 mi in front…

Q: A football player runs from his own goal line to the opposing team's goal line, returning to his…

A: The problem relates to an American Football field.Consider that the football player in the problem…

Q: suppose that a car traveling to the west (-x direction) begins to slow down as it approaches a…

A: The acceleration is states that the rate of change of velocity, if a driver slowing down to stop at…

Q: Suppose that an object is moving with a constant velocity. Which statement concerning its…

Q: 9) Two objects move with initial velocity 28.00 m/s, final velocity 16.0 m/s, and constant…

A: (a) From kinematic equation, vf2-vi2=2ax [1] Thus, the acceleration will be, a=vf2-vi22xa=16…

Q: Gurl, same! An object moving in one dimension has the same initial and final velocities. Which of…

A: Average acceleration of the object is defined as the ratio of the total change in velocity of the…

Concept explainers

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –

Question

If, at a certain instant, the speed of an object is zero, then

(A) Its acceleration is negative

(B) Its acceleration is positive

(D) Insufficient data

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 by step

Solved in 2 steps with 3 images

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

Suppose a car merges into freeway traffic on a 200-m-long ramp. If its initial velocity is 10.0 m/s and it accelerates at 2.00 m/s2, how long does it take to travel the 200 m up the ramp? (Such information might be useful to a traffic engineer.)
One car travels due east at 40km/h, and a second car travels north at 40km/hr. Are their velocities equal? Explain.
A runner is running around rectangular track with length = 50 meters and width = 20 meters. He travels around rectangular track twice, finally running back to starting point. If the total time he takes to run around the track is 100 seconds, determine average speed and average velocity.
Suppose a car merges into freeway traffic on a 200-m-long ramp. If its initial velocity is 10.0 m/s and it accelerates at 2.00 m/s, how long does it take to travel the 200 m up the ramp? (Such information might be useful to a traffic engineer.)
True or false-Consider an object that starts from rest and moves with constant acceleration. The plot of displacement versus time for such motion is a curved line while the plot of displacement versus time squared is a straight line.
a car is traveling west at 22.5 m/s when it turns due south and accelerates to 40.0 m/s, all during a time of 4.00s. calculate the magnitude of the car's average acceleration ( in m/s^2).
One car travels due east at 40 km/h and a second car travels north at 40 km/h Are their velocities equal? Explain
Find the following for path A in Figure 2.59: (a) The distance traveled. (b) The magnitude of the displacement from start to finish. (c) The displacement from start to finish.
Find the following for path B in Figure 2.59: (a) The distance traveled. (b) The magnitude of the displacement from start to finish. (c) The displacement from start to finish.
A steam catapult launches a jet aircraft from the aircraft carrier John C. Stennis, giving it a speed of 175 mi/h in 2.50 s. (a) Find the average acceleration of the plane. (b) Modeling the acceleration as constant, find the distance the plane moves in this time interval.
Which of the following statements is true? (a) If a car is traveling eastward, its acceleration must be eastward. (b) If a car is slowing down, its acceleration must be negative. (c) A particle with constant acceleration can never stop and stay stopped.
Under what circumstances does distance traveled equal magnitude of displacement? What is the only case in which magnitude of displacement and displacement are exactly the same?