Two cars travel along a level highway. It is observed that the distance between the carsis increasing. Which one of the following statements concerning this situation isnecessarily true?1. The velocity of each car is increasing.2. At least one of the cars has a non-zero3. The leading car has the greater acceleration.4. The trailing car has the smaller acceleration.5. Both cars could be accelerating at the same rate.141 PreviouS

Two cars traveling along a level highway.The distance between two cars is increasing with time.

Answered: Two cars travel along a level highway.…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Similar questions

1. A driver is travelling with a speed of 31 km/hr when he accelerates for 4.7 s, his speed has been increased to 66.3 km/hr. (a) What is his acceleration? (b) How far does he travel during this time? (c) If he continues to travel with his new speed, how far will he travel during the next 3.9 s?
27. A driver of a car going 25.0 m/s suddenly notices a stop sign 40.0 m ahead. The braking deceleration rate of the car is 10.0 m/s², but it takes the driver 0.75 s (reaction time) to get the brakes applied. (a) Determine if the car runs the stop sign. (b) Determine the maximum initial speed at which the car could be moving and manage to stop at the sign.
5. Two cars are traveling along a straight road. Car (A) maintains a constant speed of 89.0 km/h; car (B) maintains a constant speed of 105 km/h. At t = 0, car (B) is 36.0 km behind car (A). How long does it take before car (A) is overtaken by car (B)? hours 60 s st60 60 ssfo
Starting from rest, a particle confined to move along a straight line is accelerated at a rate of 5.0 m/s?. Which one of the following statements accurately describes the motion of this particle? 1. The particle travels 5.0 m during each second. 2. The particle travels 5.0 m only during the first second. 3. The speed of the particle increases by 5.0 m/s during each second. 4. The acceleration of the particle increases by 5.0 m/s? during each second. 5. The final speed of the particle will be proportional to the distance that the particle Covers. 1 2. 4-
A powerful motorcycle can accelerate from rest to 28.8 m/s (64 mi/h) in only 4.90 s. (For each answer, enter a number.) (a) What is its average acceleration in m/s2? m/s2
3. A person walks first at a constant speed of 2 m/s along a straight line from point A to point B and then back along the line from point B to point A at a constant speed of 4 m/s. What is her average speed over the entire trip (in m/s)? A)2.67 B) 4.46 C) 3.75 D) 6.86
A certain car is capable of accelerating at a rate of 0.61 m/s2. How long does it take for this car to go from a speed of 40 mi/h to a speed of 50 mi/h? (No Response) S
b. A velocity-time graph for an object moving along the x-axis is shown in the Figur e below. Determine the average acceleration of the object in the time intervalst = 5.00s to t =15.0s and t = 0 tot = 20.0s V«(m/s) 8. 6 4 -((s) 20 15 -2 -4 -6 -8
3) It is a velocity-time graph for an object under constant acceleration. Determine the displacement of the object over the interval 0 s to 3.0 s, 3.0 s to 5.0 s, 5.0 s to 7.0 s. Determine the total displacement. Determine the accelerations of object over the interval 0 s to 3.0 s, 3.0 s to 5.0 s, 5.0 s to 7.0 s. What is the average velocity during the interval 0 s to 4.0 s? Draw the graphs of position-time if its initial position be zero. Draw the graphs of Acceleration-time. v (m/s [E]) 1.2 1.0 0.8 0.6 0.4 0.2 0+ 0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 t(s)
2. A subway train starts from rest at a station and accelerates at a rate of 1.60 m/s² for 14.0 s. It runs at constant speed for 70.0 s and slows down at a rate of 3.50 m/s² until it stops at the next station. Find the total distance covered.
Answer only if you are 1000% sure,Do not guess. 1) A ball is thrown vertically upwards when it reaches the height maximum, it is fulfilled: A. Both velocity and acceleration are zero. B. Its velocity is zero and its acceleration is not zero C. Its velocity is not zero and its acceleration is zero D. Its velocity is not zero and its acceleration is not zero. E. Velocity and acceleration cannot be determined, information is needed additional.
5. An “L" train leaves the Washington station on the blue line starting from rest and accelerating at a constant acceleration of 1.35 m/s² for 16.0 s. It runs at a constant speed for 85.0 s and then slows down at a rate of 3.00 m/s? until it stops at the Grand station. What is the total distance traveled by the subway train?

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