31. The speed-versus-time graph shown below represents the motion of an object. Speed Versus Time 0 1 2 3 4 Time (s) During which time interval was the object moving with the greatest average speed? A between os and 1s B. between 1s and 2s C. between 2 s and 3 s D. between 3 s and 4s (su) peəds

Q: A car starts its motion from rest and travels a 150 m in 10 s while moving along a straight line…

A: Given Data : The distance travelled by car is given as s = 150m. The time taken by the car to travel…

Q: Examine the position vs. time graph below. What is the speed of the object at t = 3.0 s? position vs…

A: The speed of the object at a certain instant of time is known as the instantaneous speed. The slope…

Q: A parked police car takes off after a suspect and reaches 61.6 km/h in 7.94 seconds.  What was the…

A: Initial velocity= 0 m/s Final velocity= 61.6 km/h Time taken to achieve this velocity= 7.94 sec

Q: 1 10 15 time (sec) 20 5, (w) uonisod

A: The initial position xi = 0 m The final position xf = o m Starting time ti = 0 s Ending time tf = 20…

Q: Figure below shows the velocity graph of a particle moving along the x-axis. Its initial position is…

A: Given,  Initial position of the particle is x0 = 14 m at t0 = 0 s. From the given graph: We get:…

Q: What is the definition of average speed?

A:

Q: x (m) 2- 1 A K 2 4 6 8 -1 -2- B C D 10 12 14 16 E 18 -t (s)

A: formula of velocity

Q: Determine the object’s instantaneous velocity at time, t = 3 seconds Determine the object’s average…

A:

Q: Shown in the graph below is the displacement (x) versus time (t) graph of an object. Which among the…

A:

Q: The figure shows the velocity-versus-time graph for a motorcycle moving along the x-axis. v (m/s) 8…

A:

Q: Vx (m/s) 4 2 t (s) 4 2 3 he figure above shows a graph of the velocity-vs.-time graph for a particle…

A: Following points to be drawn. We know that

Q: An object travels 26.1 m (NORTH) in a time of 4.13 seconds. The object had a velocity of 3.61 m/s…

A:

Q: If an object's recorded motion on a number line moved from x = 12m to x = 124m and back to x = 98m…

A:

Q: Figure below shows the velocity graph of a particle moving along the x-axis. Its initial position is…

A:

Q: Consider the graph below that represents the variation of the velocity with respect to time of an…

A:

Q: What can you say about the motion of an object whose distance-time graph is a straight line parallel…

A:

Q: Suppose that the distance d feet that a car travels in t seconds is given by d(t)= 2t2. Calculate…

A: d(t)= 2t2 we know that  Average Speed = (Total distance)/(Total Time)

Q: v(m/s) 10 t(s) 1 2 4

A: The area under the velocity-time graph gives us the value of distance (S) travelled by the object…

Q: You ride your bike to campus a distance of 7 miles and return home on the same route. Going to​…

A:

Q: A ball is dropped from a height of 90 m on a floor. At each collision with the floor, the ball loses…

A: Let the height from which the ball is initially dropped be denoted by h1.Use the third kinematic…

Q: A car traveling with an initial velocity of 18 m/s accelerates at a constant rate of 3 m/s squared…

A:

Q: A bus makes a trip according to the position–time graph shown in the illustration. What is the…

A:

Q: On a speed-time graph, what is the acceleration during the interval if the velocity changes from 250…

A: Acceleration is defined as the rate of change of velocity per unit time. a = ∆V/∆t On speed time…

Q: A car traveling with an initial velocity of 5 m/s accelerates at a constant rate of 2 m/s2. What is…

A: The objective of the question is to find the final speed of the car after four seconds of…

Q: The following graph represents the acceleration vs. time curve of an object moving along the x-axis.…

A:

Q: A ball is thrown vertically upward. Sketch the position-time and velocity –time graphs for the ball.…

A: When the ball is thrown vertically upwards, the ball is having only vertical component of velocity…

Q: Your favorite car goes zero to 60 mph in 3.5 seconds. Assuming it accelerates uniformly, sketch a…

A: Assume car to be travelling in straight line. Let u be the car’s initial velocity, v be the car’s…

Q: What is the average acceleration of the car during this 4.0-second interval

A: Acceleration is rate of change of velocity. Of the velocity of car changes from v1 to v2 in time t,…

Q: Draw a speed versus time graph showing the acceleration of an object from zero to 30 meters per…

A:

Q: A car starts at rest, and in 30 seconds accelerates up to 50m/s. Then, over 200 meters, it slows to…

A: Detailed solution of this question is given in below steps.

Q: Car 1 accelerates from rest to a speed of 50 m/s in 4 seconds. Car 2 slams on its brakes and goes…

A: Given data:  For car 1 Initial velocity (V0) = 0 m/s Final velocity (V) = 50 m/s Time (t) = 4…

Q: Position (meters) 70 60 50 40 30 20 10 0 0 5 10 15 20 25 Time (seconds) 30 35 40

A: We know that average velocity is given by  v¯=xt2-xt1t2-t1 Here we need to find average speed…

Q: The following position-time graph represents the motion of an object. What is the speed of the…

A: We know that  Tangent to a point on a distance time graph gives speed at that point At t= 3s The…

Q: At a track meet, a runner runs the 100–m dash in 19 s. What was the runner's average speed? =______…

A: Given data The distance covered is d=100 m The time is t=19 s   The runner's average speed is  SR=dt

Q: an object is moving initially with a velocity of 5.2 m/s. after 3.6 s the object's velocity is -2.4…

A: The average acceleration be defined as, a=∆v∆t=vf-vi∆t

Q: What is the average acceleration of the runner

A: Acceleration is given as the rate of change of velocity . A= ∆v/t  A =( Vf - Vi)/2

Q: After driving at a steady speed for 30km, Mario reacher the expressway where he increased his speed…

A:

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 –