1 2 3 4 5 Time (in seconds) Velocity (in feet per second)

Q: The diagram below presents the position and elapsed time of a motorbike that starts from rest and…

A: we use the relation x=ut+12at2

Q: A car has acceleration of 7.1 m/s2 and starts from 2 m/s. What is its speed after 5.4 seconds, in…

A: Given data The car’s acceleration is given as = 7.1 m/s2. The initial velocity of the car is u = 5.4…

Q: The graph shows the velocity, in feet per second,of a decelerating car after the driver applies the…

A: The distance covered is the area under the curve.

Q: The figure shows the velocity-time graph of an object. Solve graphically for the acceleration of the…

A: Acceleration of an object over a time interval (∆t) is given by the formula , a=∆v∆t, where ∆v=vf-vi…

Q: Which distance-time graph most closely represents an object moving with uniform motion? A)…

A:

Q: The winner of the 2016 Keystone (Colorado) Uphill/ Downhill mountain bike race finished in a total…

A: The time taken to cover uphill leg will be,

Q: How far does car travel if it moves at a rate of 50 mi/hr in 2 minutes

A:

Q: The equation for the motion of an object with constant acceleration is d = do + vt + sat, where d is…

A: Given:- A car start from rest with a constant acceleration a=4 m/s2  Speed of the bus is 15 m/s…

Q: You pass a road sign saying New York 110 km. if you drive a constant speed of 100 km/h how long…

A: Given data *The given distance is d = 110 km *The given constant speed is s = 100 km/h

Q: During takeoff, an airplane goes from 0 to 42 m/s is 5 s. How far is it going after 4 s. Calculate…

A: Given data: Initial velocity (V0) = 0 m/s Final velocity (V) = 42 m/s Time (t) = 5 s Required:…

Q: If swen throws the football 50 meters in 3 seconds what is the average speed of the football

A:

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

A: initial speed, u=0 m/s final speed, v = 53 m/s time taken, t = 6 s

Q: Decades describe as and 60MPH describe as 1. distance  2. time 3. speed 4. velocity  5.…

A: The Decades is a period of 10 years.  Miles per hour is the unit of speed

Q: The diagram below presents the position and elapsed time of a motorbike that starts from rest and…

A: We know thatAverage velocity=Total displacementTotal time

Q: Speed vs. Time 60 50 40 30 20 10 0.1 0.2 0.3 0.4 0.5 0.6 0.7 Time (s) Speed (m/s)

A:

Q: A cyclist increased her velocity from ______ m/s to 28 m/s in 3.5 seconds. If the average…

A: This question is based on motion in one dimension.

Q: The equation of motion of a body is: x(t) = 9t^2. What is the average speed of the object when…

A:

Q: During takeoff, an airplane goes from 0 to 54 m/s is 5 s. How far is it going after 8 s.  Calculate…

A:

Q: In 6.0 seconds, the braking of an automobile reduces its speed from 58 miles per hour to 30 miles…

A:

Q: The graph below shows the position of an object as a function of time.

A: Velocity is the slope of position vs. time graph. Hence, from above graph it can be inferred that:-…

Q: A plot of velocity versus time for a car for the first 15 seconds of motion is shown in the diagram…

A: Introduction: The area under the velocity-time graph gives the distance traveled by the body. The…

Q: A runner on a trail race reaches the finish line in 21.8 minutes. what was the runners average speed…

A: Given, Time=21.8 minutes.=21.8×60=1308 s distance=3.38 km(I took unit of distance in km( NB: unit is…

Q: What is the acceleration from 2s to 4 s from the graph below? 5 6 7 2 3 4 (sei -2

A: From the graph we can see that, velocity of the object at time t1 = 2 s is v1 = 4 m/s and velocity…

Q: If a bicyclist travels 30 kilometers in two hours, her average speed is:

A: Given data: Distance traveled d = 30km Time = 2 hours.

Q: Shows is the actual data from Usain Bolt’s 2009 word-record run in the 100 m sprint. From this…

A:

Q: A car advertisement states that a certain car can accelerate from rest to 70 km/h in 7 seconds.…

A: Acceleration is defined as the rate of change of speed. In this case, we have: Initial speed, u=0…

Q: A runner in a 5.0 km trail race reaches the finish line in 24.9 minutes.  What was the runners…

A: Given that, Total distance (d)= 5km = 5000 m Total time taken (t)= 24.9 mins  Or t= 24.9 ×60 seconds…

Q: An object located at the point (4, 55) on a distance time graph is later located at the point (9,…

A: We know, Average velocity=distance/time

Q: The diagram below presents the position and elapsed time of a motorbike that starts from rest and…

A:

Q: In 10.0 seconds, the braking of an automobile reduces its speed from 58 miles per hour to 32 miles…

A:

Q: A runner's average stride length is 41 inches. She takes 28 strides in 10.0 seconds. How many…

A:

Q: A runner on a 5km trail race reaches the finish line in 21.8 minutes. what was the runners average…

A: Given, Distance,d=5 km Time,t=21.8 min=0.36 h Displacement,s=3.38 km

Q: A car drives from Mechanicsburg, PA to Carlisle, PA which is 17 km away in 17 minutes. Due to…

A: Given data:  Distance (d1) = 17 km in time (t1) = 17 min Distance (d2) = 17 km in time (t2) = 30 min…

Q: The graph below shows the velocity of an object as a function of time:

A: Given data: The graph between velocity and time Required: The distance traveled from origin to C

Q: Justin visits the Grand Canyon and drops a rock off the edge of a cliff. The rock falls 12 m the…

A: In the given qustion, Distance moved by rock in 1st second is 12m Distance moved by rock in 2nd…

Q: A child traveling 5 m/s on a sled passes her younger brother. If her average acceleration on the…

A:

Q: A raindrop on a drizzly day takes one minute from the time it leaves the cloud until it hits your…

A: ∆t= 1 minute ∆x= 3 miles V¯=∆x∆t=3 miles1 minute=3 miles1 minute*60 minute1 hour V¯=180 mileshour

Q: What is your average speed if you walk 2 kilometers in 20 minutes?

A: The expression for the average speed,

Q: If the train's speed is 75 km/h, how long does it take the car to pass it? See the figure (Figure…

A: We know the distance =velocity*time...........................(1) ANS:The require time is 3.3 min.

Q: The velocity-time graphs represent the motion of three different objects. Identify any object that…

A: Getting faster or speeding up means that as time passes the speed of  object increases i.e there is…

Q: A driver accelerates from 2.69 m/s to 8.58 m/s in 2.5 seconds. What is his acceleration in m/s?

A:

Q: Describe the appearance of the distance- time graph of an object moving with constant accelerated…

A:

Q: uring takeoff, an airplane goes from 0 to 50 m/s is 5 . What is its acceleration? Calculate answer…

A: Given: The intial velocity of the plane is 0 m/s. The final velocity of the plane is 50 m/s. The…

Q: A runner in a 5.0km trail race reaches the finish line in 33.5 minutes. What was the runners average…

A: The term average velocity is a vector quantity that can be determined by the fraction of the…

Q: In 1.0 seconds, the braking of an automobile reduces its speed from 59 miles per hour to 40 miles…

A:

Q: From the graph determine the average acceleration of the car between 14 and 20 seconds How fast Was…

A: To find- Acceleration from 14-20 seconds, speed at 7 & 13 seconds.

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 –