In a half marathon (13.1 miles), one runner finishes with a speed of 6.5 miles/hour and another finishes with 10 miles/hour. How long does the faster runner have to wait at the finish line to see the slower runner cross? Explain your final answer in minutes.

Q: Q20. An open tub rolls across a frictionless surface. As it rolls, rain falls vertically into the…

A: Given:: Quantitative explaination

Q: June walks for 15 minutes at 0.165 km/ min but then she remembers she is suppose to meet her friend…

A:

Q: An athlete whirls whirls a 3.7 kg shot put in a horizontal circle with a radius of 0.90m.  The…

A: Given data: Mass of the shotput m=3.7 kg Radius r=0.90m Period of rotation t = 0.30s

Q: You are driving through town at 10.0 m/sm/s when suddenly a ball rolls out in front of you. You…

A:

Q: a person walks at 4.5 meters per second from point a to b. Then walks back from point b to a at a…

A: Given data:  From point a to b Speed (V1) = 4.5 m/s From point b to a Speed (V2) = 3.2 m/s Required:…

Q: Osama was testing his new car by racing with his fiend Adam, Osama was driving at 54.0 mile/hr,…

A:

Q: Two cars start from rest side by side and travel along a straight school to farm road that connects…

A:

Q: An express train passes through a station. It enters with an initial velocity of 23.6 m/s and…

A: Initial velocity (u) = 23.6 msacceleration (a) = - 0.16 ms2Length of station (d) = 200 m

Q: Salt Flats: A driver wants to see how fast his car can go, so he goes out to the salt flats where he…

A: Given data:  Initial velocity (v0) = 0 m/s Distance traveled (Δx) = 2000.0 m Acceleration (a) = 1.60…

Q: My cat, Pretty Kitty, decides to jump off her cat tower, and it takes her 0.61 s to reach the…

A: Given data The time required by the cat to reach the ground is t = 0.61 s. Therefore, the final…

Q: Sarah is driving on a freeway in a forest at 13.0m/s when suddenly a deer runs in front of her and…

A:

Q: Two cars start from rest side by side and travel along a straight road. Car A accelerates at 4 m/s^2…

A: Given both car (let's say A and B) start from rest it means their initial velocity is zero. Car A…

Q: Ms. Gordon drives to the store to get some milk. She travels at a constant speed of 30.0 mph on her…

A: The equation for the average velocity is given by, v→avg=vi→+vf→2 Here, vi→ is the initial velocity…

Q: A police car waits in hiding slightly off the highway. A speeding car is spotted by the police car…

A: Given data: Speed of speeding car (s) = 32 m/s Initial velocity of the police car (Vi) = 0 m/s…

Q: A race car starts from rest and travels east along a straight and level track. The eastward…

A: Given data -                           initial velocity of race car = 0 m/s (along east)…

Q: A car is traveling at an initial speed of 20 m/s and slows to rest with an acceleration of -5.0 m/s.…

A: The initial speed of the car,(u)=20 m/sec -----(1) [Given] Acceleration of the car,(a)=(-)5 m/sec2…

Q: An old commuter train travels a distance of 100 km from Union Station to Berkeley’s Crossing in the…

A: To determine,part ahow many hours does the trip take(t).given,speed(v)=45 mphdistance(d)=100…

Q: Starting from a pillar, you run 400 m east (+x direction) at an average speed of 4 m/s, and then run…

A:

Q: You are arguing over a cellponone while trailing an unmarked police car by 27 m. Both your car and…

A: Initial speed = 105 kmhrOriginal distance between your car and police car = 27 m acceleration of…

Q: A race car is one lap behind the lead race car when the lead car has 47 laps to go in a race. If…

A:

Q: A car accelerates from rest at 2.5 m/s2, travels with a constant velocity of 90 km/h and then…

A:

Q: A car is stopped at a red light. When the light turns green the car uniformly accelerates at 5.0 m/s…

A: Here we use the equations of motion under constant acceleration,…

Q: A bicyclist is finishing his repair of a flat tire when a friend rides by with a constant speed of…

A: Given:Speed of the friend when he passes the bicyclist = 3.7 m/sAcceleration of the bicyclist after…

Q: In Michael Johnson’s world-record 400 m sprint, he ran the first 100 m in 11.20 s; then he reached…

A: Given:total sprint, xtot = 400 malso he completed100m  in 11.20 s 200 m in 21.32 s300 m in 31.76…

Q: A runner, beginning from x = 0 and t = 0, accelerates at a constant rate for 10 seconds and reaches…

A: Write the expression of the velocity as a function of time.

Q: Kate Jenkin's Reckless Driving. After learning that she's very fast on foot, Kate decides she wants…

A: Given: Car's initial speed  u= 0 m/s Car's final speed  v=39 m/s Time t = 3.9 s

Q: bserved his athletic friends, Aya and Marisa, run. The two girls ran in a 1.5-km straight dirt road.…

A: Given Data:-  The two girls ran on a 1.5-km straight dirt road.   Marisa was given a ten-second…

Q: 2. A motorcyclist and a runner are in a road race. The runner runs the entire 1500 meters at a speed…

A: Given data:  Total distance (d) = 1500 m Speed of runner(Vr) = 0.2 m/s Motorcyclist covers 1st 500m…

Q: A car starts from rest and accelerates at 6 m/s² eastward for 3 seconds, then maintains that…

A:

Q: How many times larger is the dragster’s acceleration during this period than the acceleration due to…

A: Given data: The initial velocity of dragsters is: u = 0 The final velocity is: v The distance…

Q: A tortoise can run with a speed of 0.15 m/s, and a hare can run 20 times as fast. In a race, they…

A:

Q: breaststroke competition consists of swimming back to the opposite end and back to where you…

A: for returnig swimmer has to travel to 50 m  he has taken 42.5 second for that portion so  from the…

Q: A woman drives a car from one city to another with different constant speeds along the trip. She…

A:

Q: A block falls from rest off a building that is y = 185 m tall

A: y=185 mUsing Newton's Law of motion initial velocity μ=0y=ut+12gt2185=0+129.8t2to=6.14 second

Q: You have already traveled 30 miles east and then 30 miles north. To get back to the start, you…

A: Given: 30 mile east  30 mile North  Get back to the start you travel 30 miles west  t1 = 1 hour…

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 –