A runner on a trail race reaches the finish line in 21.8 minutes. what was the runners average speed if the straight line distance from start to finish is 3.38

Q: What is the average velocity of car who travels  500m in 10 seconds.?

A: Given : Distance traveled by car (d) = 500 m Time taken (t) = 10 seconds

Q: A man jogs halfway to his destination at 8 km/h and walks the rest of the way at 6 km/h. What is his…

A: let's say that destination is 2x km away. therefore total distance to be covered is 2x Average Speed…

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 (d) = 100 m Time taken to cover 1st half (t1) = 5.5 s Time taken to…

Q: A dog trots from x = -12 m to x = 3 m in 10 s. What is its velocity?

A:

Q: A car is driving at 90 km/hr when the driver hits the brakes and slows to a stop in 5 seconds. What…

A:

Q: What is the acceleration for a object that speeds up from 5 m/s to 10 m/s in 2s going west

A:

Q: A car slows down from a speed of 20m/s to a complete stop by braking with an acceleration of…

A: Given, The initial speed of the car(u)= 20 m/s  and, final speed of the car(v)= 0 m/s and,…

Q: A car starts from rest and reaches a speed of 12 m/s after travelling with uniform acceleration for…

A: Given : vo = 0 (because car starts from rest) v = 12 m/s t = 2 s

Q: In a typical greyhound race, a dog accelerates to a speed of 20 m/s over a distance of 30 m. It then…

A:

Q: A runner in a marathon passes the 5-mile mark at 1 o'clock and the 20-mile mark at 3 o'clock. What…

A: Given,

Q: What is the acceleration of a car that increases its velocity from 0 to 100km/h in 10s?

A: Given:Initial velocity of the car = 0 km/hFinal velocity of the car = 100 km/hTime taken = 10 s

Q: An object was dropped from the rooftop of a building and hit the ground 7 seconds. How high is the…

A: Given:Initial speed u = 0 m/s( free fall)Time t = 7 seca=g= 9.8m/ s2Height h = ?

Q: A car moving at 20 m/s takes 2 seconds to completely stop. How far does the car travel before…

A:

Q: How long (in seconds) does a sports car travel before coming to rest if its initial velocity is 100…

A:

Q: A drone accelerates from rest to a speed of 300 m/s in 3 s. What is an acceleration of the drone?

A:

Q: A sprinter starts from the rest and finishes a race going 3.3 m/s. If the race took 8 seconds, what…

A: From kinematics, the expression of the final velocity is:

Q: A motorcycle travels west, increasing its speed from 6.5 m/s to 9.2 m/s through a distance of 48 m.…

A: Kinematic expression v2=u2+2asRearrange in terms of aa=v2-u22s  =9.2 ms2-6.5  ms2248 m =0.44 ms2

Q: a dog is running at 5.5 m/s then comes to a complete stop in 1.5 seconds. What is the dogs…

A: initial velocity of dog = V0= 5.5m/s final velocity = V = 0 m/s ( stops) time = t = 1.5 seconds…

Q: A car with an initial velocity of 16 m/s comes to rest in 3.6s. what is the car's average…

A: Average acceleration is, a=v-uΔt

Q: how long does it take a cat to change its velocity from 10m/s to 2m/s if its acceleration is -1m/s

A: Given, initial speed of the cat, vi = 10 ms final speed of the cat, vf = 2 ms acceleration of the…

Q: The velocity of a car traveling in the positive direction decreases from 34 m/s to 26 m/s in 3.5…

A:

Q: A race car starts from rest and accelerates to 10m/s in 2.5 seconds. How far did it travel during…

A: Given data The initial velocity is u=0 m/s The final velocity is v=10 m/s The time is t=2.5 s The…

Q: A runner in a 5 km trail race reaches the finish line in 31.7 minutes.  What was the runners average…

A: Distance is the length of the path taken by an object, whereas displacement is the length of…

Q: the driver of a car steps on the brakes, and the velocity drops from 30 m/s due east in time of 4.0…

A:

Q: During takeoff, an airplane goes from 0 to 53 m/s is 6 . How far is it going after 7s. Calculate…

A: The relation between initial velocity, final velocity, constant acceleration, and time is given by,…

Q: A car accelerates from 15 m/s to 25 m/s while it travels 125 m. How long does this motion take?

A: Given: The initial velocity of the car is 15 ms. The final velocity of the car is 25 ms. The…

Q: A runner in a marathon passes the 7-mile mark at 1 o'clock and the 18-mile mark at 5 o'clock. What…

A:

Q: A CYCLIST STARTING FROM REST SPEEDS UP TO 40 FT PER SEC WITH A CONSTANT ACCELERATION OF 4 FT PER…

A:

Q: An airplane accelerates from rest to a speed of 125 m/s while traveling a distance of 500 m What is…

A: From equation of kinematics we know, V2 = U2 + 2aS Where, V = final speed ; U = initial speed a =…

Q: A car accelerates from 5.0m/s to 28.0m/s while travelling a distance of 150 m. How long did it take…

A:

Q: A sprinter runs 500 m sprint for 54.4 seconds. What is his average speed? Calculate answer to one…

A: Given data:  Distance traveled (d) = 500 m Time (t) = 54.4 seconds Required: Average speed of…

Q: A car initially at rest, accelerates for 5.5 s and has a final speed of 11.5 m/s. What was its…

A:

Q: how far will you travel in 3 minutes running at a rate of 6m/s

A: Given  Time ,t = 3 min = 3×60 s =180 s  Velocity ,v = 6 m/s  Distance travelled = Velocity × time  D…

Q: A boat slows down from 40m/s to 10m/s as it travels 300m. How much time did this take?

A: Given data: *The initial speed of the boat is u = 40 m/s *The final speed of the boat is v = 10 m/s…

Q: A motorcyclist starts from rest and reaches a speed of 7 m/s after travelling with uniform…

A: Given data :       Initial velocity   =   u        Final velocity    =   v           Time    =    t…

Q: A car travels 1000 m at 50 m/s and 1000 m at 20 m/s. What is the average speed of the motorist for…

A: Determine the time taken by the car during both the motions at the speeds of 50 m/s and 20 m/s,…

Q: As a baseball is being thrown it goes from 0 m/s to 45 m/s in 0.25 seconds.  What is the…

A: Given data: The initial speed of the baseball is, vi = 0 m/s The final speed of the baseball is, vf…

Q: A car starts from rest and attains a speed of 50 m/s in 15 seconds. How far has the car traveled…

A: Initial velocity of car = 0 Final velocity of car =50m/s Time take by car to reach speed 50m/s =15s

Q: A runner in a marathon passes the 8-mile mark at 2 o'clock and the 21-mile mark at 4 o'clock. What…

A: Average speed is,

Q: A motorcycle traveling along a straight road increases its speed from 30.0 ft/s to 50 ft/s in a…

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: Calculate the average speed of a car that travels 70 km in 1.5 hours.

A: Distance travels by a car is,                                   S = 70 km We know,           1 km =…

Q: A football player has an initial speed of 8 m/s and is stopped by a defensive lineman in a time…

A: Given data: Initial speed of football player is, u=8 m/s. Time interval is, t=2.0 s.

Q: A car starts from rest and after 6 seconds it is moving at 32 m/s. If the acceleration of the car is…

A: The acceleration of the car can be obtained as v=u+at32m/s=0m/s+a6sa=326m/s2

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 –