The chart below represents the change in velocity for four different trains. Change in Velocity for Four Different Trains Train Initial Velocity Final Velocity W 60 91 X 39 68 Y 42 70 65 94 If it took 5.38 s to reach the final velocity, which train had the greatest acceleration?

Q: A car accelerates at 1. 5m/s2. Assuming the car starts from rest, how much time does it need to…

A: Given:  acceleration of the car (a) = 1.5 m/s2             initialspeed of the car (u) = 0m/s (rest)…

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: Position (km) 700 600 550 500 450 400 350 300 250 200 150 100 O 0 0 110 220 330 Position vs. Time…

A:

Q: The motion of a train is described by the a-s graph shown. Draw the v-s graph if v = 0 at s = 0.

A: Here we need to draw v-s graph if v=0 at s=o

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: Question 7 A stopped car accelerates to 25 metres per second in 5 seconds. What is the average…

A: Write the given values to the suitable variables.Here, u is the final speed, and t is the time.

Q: The motion of an object is depicted by the velocity-time graph below. During which time interval(s)…

A: In the given graph the acceleration is constant at C, for D and E is for positive acceleration.

Q: During a 100 m sprint, Usain Bolt reaches the halfway point (50 m) in 5.5 seconds and then crosses…

A: Given data:  Total displacement (x) = 100 m Total time (t) = 9.7 s Required: The average velocity

Q: The velocity vs. time graph for an object moving along a straight path is shown in the figure below.…

A:

Q: ', (m/s) 3- 2 1 -t (s) 10 12 2 4 -1 -2 -3+

A: Given at t=0, x=0 And from graph

Q: in motion diagram experiment . my doctor want me to write a 5 lines about what I have learned from…

A: car 1 ( red ) :   velocity = 10 m/s   acceleration = 0 m/s²    car 2 ( blue ) :   velocity = 10 m/s…

Q: A toy car can move to the right or left along a horizontal line (the positive portion of the…

A: Option "A" is correct

Q: A cement block accidentally falls from rest from the ledge of a 66.5-m-high building. When the block…

A:

Q: Velocity (meters per second) 10 C LO 0 5 10 15 20 Time (seconds) What conclusion can be drawn about…

A:

Q: A car starts from stop and travels 594 meters in 35 seconds. What is the average acceleration of the…

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: 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: In the graph above, what is the average velocity for the entire time interval (0 to 30 s)? [Use the…

A: Position vs time graph is given. We need to calculate average velocity

Q: On a trip your car travels 30 min for 30 km East and then another 30 min for 50 km North. Your…

A:

Q: The velocity vs. time graph for an object in motion is shown below. What is the total distance…

A:

Q: What is the acceleration based on the info below?

A:

Q: A police car accelerates from rest to a velocity of 15 m/s in 6.2 seconds. What is the average…

A:

Q: The figure shows the velocity of a train as a function of time. At what time was its velocity…

A: Draw a perpendicular line with respect to the time axis such that it meets the curve at maximum…

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 –