Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 2, Problem 30P
To determine
The displacements, velocities and accelerations at the instant where the curves of car and truck meet.
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Complete solution and answer must be simplified.
A particle is moving on a straight line has acceleration
a=5-3t and it's velocity is 8 at time=2. If s(t) is the
distance from the origin, find s(2) -s(1).
Note : s (t) = f v dt
v (t) = f a dt
Use the definition to find an expression for the instantaneous velocity of an object moving with rectilinear motion according to the given functions relating s and t.
s=³ - 81?
The expression for the instantaneous velocity of the object is
show all pertinent solution:
Three runners start simultaneously from the same point on a linear track. On average, runners A, B, and C run at constant speeds of 5.0 m/s, 4.5 m/s, and 4.0 m/s, respectively.
How much farther is runner A from runner B?
Chapter 2 Solutions
Physics for Scientists and Engineers
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- a truck travels a distance d=22.1m in the positive x direction in a time t1=17.7s, at which point the truck brakes, coming to rest in t2=9.53s. Assuming the truck started from rest and moved with a constant acceleration, what was the acceleration, in meters per squared second, during time interval t1 and what was the truck's instantaneous velocity in the horizontal direction, in meters per second, when it began braking?arrow_forwardA train accelerates uniformly from rest at station A to a maximum speed of 72 km/h. The constant maximum speed is maintained for a period of time and the train then decelerates uniformly until it comes to a stop at station B. The distance between the two railway stations is 22 km and the journey takes 20 minutes. If the magnitude of the acceleration is half that of deceleration, by using the graphical method, determine the acceleration, in meters per second per second, and the time, in minutes, during which the train travels at its maximum speed.arrow_forwardshow all pertinent solution: Three runners start simultaneously from the same point on a linear track. On average, runners A, B, and C run at constant speeds of 5.0 m/s, 4.5 m/s, and 4.0 m/s, respectively. After 6.0 s, how much farther is runner A compared to runner C?arrow_forward
- Example 2-17 depicts the following scenario with the accompanying figures. A speeder doing 40.0 mi/h (about 17.9 m/s) in a 25 mi/h zone approaches a parked police car. The instant the speeder passes the police car, the police begin their pursuit. The speeder maintains a constant velocity, and the police car accelerates with a constant acceleration of 3.3 m/s². Now we will consider some slightly different related scenarios to Example 2-17. ▼ Part A dmax Submit = Part B ΠΑΞΙΑΣΦΑ AΣO X Incorrect; Try Again; 4 attempts remaining a= Previous Answers Request Answer ? • [ ? = 17.9 m/s Suppose the speeder (red car) is traveling with a constant speed of 17 m/s. If the police car is to start from rest and catch the speeder in 13 s or less, what is the maximum head-start distance the speeder can have? Measure time from the moment the police car starts. Express your answer using one significant figure. m 5-0 PONICE a=0 1=4.51 m/s² ( 175 150 125 100 75 50 25 Speeder, Police car, Xp Time, t(s) 8…arrow_forwardThe velocity of a particle moving along a straight line is given by v = 25t²- 80t -200 where v is measured in meters per second and t in seconds. It is given that the object is located 100 m to the left of the origin at t= 0s. Compute the displacement between the time interval t = 2s to t = 10s the distance between the time interval t = 2s to t = 10sarrow_forwardThe velocity of a particle traveling in a straight line is given by v = (6t – 3t²) m/s, where t is in seconds. If s = 0 when t = 0, determine the particle's deceleration and position when t = 5 s. How far has the particle traveled during the t = 5 s time interval, and what is its average speed? I need a clear answer by hand, not by keyboard | dybalaarrow_forward
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