During the U.S. trials for the 2004 Summer Olympics, Michael Phelps broke his own world record in the 400 meter individual medley when he was clocked at 4 minutes and 08.41 seconds. What was his average velocity and his average speed? Give your answer in SI units.

Q: 2.9 •. A ball moves in a straight line (the x-axis). The graph in Fig. E2.9 shows this ball's…

A: Distance covered in first two second, d = (2m/s) ×( 2 s) = 4 m  Distance covered in last one second,…

Q: 1. As part of an exercise program, a woman walks south at a speed of 2.00 m/s for 60.0 minutes. She…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: A cheetah accelerates from rest to a maximum velocity of 22.0 i m/s in 2.00 seconds, whilst running…

A: Initial velocity (u) = 0 m/s Final velocity (v) = 22 m/s time taken (t) = 2 seconds

Q: 1. Which of the following pairs of graphs shows the displacement versus time and the velocity versus…

A: Ball through up from the ground Form equation of motion S = ut+ 12at2 When we through the ball up…

Q: The displacement (in feet) of a certain particle moving in a straight line is given by y = 4. (A)…

A: Velocity is defined as the rate of change of displacement with time. acceleration is defined as the…

Q: (b) The speed versus time graph for an object is shown below: Speed/ ms 15- 2 6 8 10 timel s (i)…

A: The total distance covered by the object is the area under the speed-time graph.

Q: 1.An automobile travels on a straight road for 40 km at 30 km/h. It then continues in the same…

A: Given that ,             Automobile travel's on a straight road .  a Average velocity=total…

Q: velocity/m s time, t's 12 Figure 2.1 A velocity-time graph of a car is shown in Figure 2.1. Which of…

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Q: Compute your average velocity in the following two cases: (a) You walk 90.4 m at a speed of 1.98 m/s…

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Q: at the 2006 winter olympics in torino, italy, us speed skater apolo ohno took the gold medal for the…

A:

Q: 44. The graph in the figure shows the velocity of a particle as it travels along the x- axis. (a) In…

A:

Q: Figure P2.15 shows a graph of vx versus t for the motion of a motorcyclist as he starts from rest…

A:

Q: Some students were investigating the speed of a toy car that they built. They performed two trials…

A: Given data:  t1 = 4.0 s, d1 = 5.6 m t2 = 5.0 s, d2 = 7.0 m Required: Average speed (Sav)

Q: The position vs. time graph of a moving particle for a time interval of 23 seconds is shown below.…

A: As per guidelines, the first three sub-parts have been answered. Total displacement is, ∆x=xf-xi=0…

Q: The Bugatti Veyron can go from 0-100km/h in 2.46s. It takes another 7.34s at a different…

A: a. Given: Initial speed=u=0 km/hr=0m/s Final speed=v=100 km/hr=27.78 m/s Time=t=2.46 sec

Q: 1. The graph below represents the motion of a car during a 6-second time interval. a) What is the…

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Q: A car travels 21 miles in 20 minutes. a. How many hours did the car spend traveling? b. What was the…

A: a.      A car travels 21 miles in 20 minutes.         so the car spends 20 minutes  in travelling…

Q: Part I. Using the table below, make an acceleration vs. time graph and find its slope in a graphing…

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Q: A man walks 7km north in 2 houra and 2km in 1 hour in the same direction. a. What is the man's…

A: Given data:  Man walks 7 km, towards North in 2 hours Then 2 km, towards North in 1 hour Required:…

Q: Q1. a).  A ball is thrown upwards into the air. Total time for the ball to move upwards to the peak…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Kirby runs along a straight line towards SR1 building to attend PHYS1321 class. First, he runs for…

A: Average velocity=net displacement/total time. Using this definition we have.

Q: 1. A dog and a cat ran a race of distance 30 km. In the trail for the race, the dog had an average…

A: Hello. Since you have posted multiple questions, we will solve the first question for you. If you…

Q: Q2) Figure below shows v(t) for a world-class track sprinter in a 100-m race. (a) What is his…

A: Given The total distance covered by the sprinter is D = 100 m. From the graph in the first 4 s,…

Q: Part A.) What is the final velocity, in meters per second, of a freight train that accelerates at a…

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: An object is at x = 0 at t = 0 and moves along the x axis according to the velocity-time graph in…

A: Part A.  In given time interval from 0 to 4.0 sec,  acceleration of object = 0 m/s^2 Reason: Since…

Q: A motorist drives north for 35.0 minutes at 85.0 km/h andthen stops for 15.0 minutes. He then…

A: Given,Initial speed = 85km/hInitial time = 35 minDistance travelled after stopping = 130km

Q: The position vs. time graph of a moving particle for a time interval of 23 seconds is shown below.…

A:

Q: What was the average velocity of the car in m/s? b) What was the final velocity of the car (in…

A: Given data: The initial velocity of car is: u = 0 m/s The distance travelled is: d = 720 m The time…

Q: 10. A velocity-time graph for an object moving along the x axis is shown in the figure below. a)…

A: Let, the velocity be denoted as 'v' , acceleration be denoted as 'a' and time is denoted as 't'  It…

Q: A bus moves along an x-axis a distance of 800 m, starting at rest (at x = 0) and ending at rest (at…

A: Solution: given that x = 800 m for 0.5x , acceleration, a1 = 2.5 m/s2 for next 0.5x, acceleration is…

Q: Hicham El Guerrouj of Morocco holds the world record in the 1500 m running race. He ran the final…

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Q: 1. The motion graph shown below was created by a toy train which start from rest at the origin.…

A: Given the block starts from rest. Therefore, the initial velocity will be zero. For interval 0s to…

Q: An automobile travels on a straight road for 40 km at 30kph. It then continues in the same direction…

A:

Q: v (m s) 61 Jun'o8 10 t (s) 15 20 -6 An athlete runs in a straight line from point A to point B, and…

A: (i) Write the initial acceleration of the athlete.

Q: a) For the displacement equation, s = t2 +t-5, find the velocity and acceleration equations and plot…

A: Apologies. We only answer one question at a time. we will answer the first one as the exact one…

Q: Concept Simulation 2.5 provides a review of the concepts that play a role in this problem. A…

A: (a)   From the given graph, the average acceleration of the snowmobile during the segment A can be…

Q: You're driving down the highway late one night at 20 m/s when a deer steps onto the road 35 m in…

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Q: a) A car moving with a constant velocity travels 360 meters in 9 seconds. What was the average…

A: a) Vavg=displacementtime    Vavg=3609=40 m/sb) Vavg=displacementtime=3609    Vavg=40 m/s

Q: The position of an object moving along an x axis is given by x=3t−4t^2+t^3, where x is in meters and…

A: The position of an object is given by : x(t) = 3t - 4t2 + t3

Q: At the 2006 Winter Olympics in Torino, Italy, U.S. speed skater Apolo Ohno took the gold medal for…

A:

Q: A car travels 25 mi/hr for 15 minutes. It then goes 40 mi/hr for the next 10 minutes. Finally it…

A: Given data:  Speed (v1) = 25 mi/hr for t1 = 15 min Speed (v2) = 40 mi/hr for t2 = 10 min Speed (v3 )…

Q: (d) Then in order to end the race, the runner decelerates from the velocity of 9 m/s at a rate of 2…

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Q: Suppose that some object is constrained to move on a straight line as depicted in the sketch below.…

A: a) average velocity for first 5 min =Area under graph till t=5time=12×3×10+2×105=7 m/s

Q: You drive a beat up truck along a straight road for 11 km at 60 km/h, at which point the truck runs…

A: (a) Total displacement: D = 11 km+ 5km = 16 km (b) Total time taken: Time taken in the truck =…

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 –