A ball is thrown vertically upward from Earth’s surface and falls back to Earth. Which graph plots speed vs. time correctly?

Q: Usain Bolt of Jamaica set a world record in 2009 for the 200-meter dash with a time of 19.19…

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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 drives east for two hours at 40 miles per hour. After stopping for two hours, it then drives…

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Q: Calculate the slope of the following graph. What does that mean? displacement (mile) 20- 10- rise…

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Q: From the choices below, It is the total distance traveled over total time interval. A. speed B.…

A: It is the total distance traveled over total time interval.

Q: A person walks 4m east, then walks 3m north in 10 seconds. Determine distance, displacement, speed,…

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Q: Which of the following five coordinate versus time graphs represents the motion of an object whose…

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Q: What is the velocity of the esla after 1.4 seconds? Round to 1 decimal place. Value Unit

A: Given the acceleration of the car a= 26.8m/s² Let the velocity of tesla after t=1.4 s be v

Q: A ball is thrown upwards with an initial velocity of 3.7 m/s. How long will it take to reach it's…

A: Given: The ball is thrown up Initial velocity (Vo) = 3.7 m/s To find: Time to reach the maximum…

Q: Sketch a diagram that shows a ball free falling for 4 seconds. Label the time and distance

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Q: What can you say about the motion of an object whose distance-time graph is a straight line parallel…

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Q: A car goes from point A to point B. The speed of the car is constant at 88 km/hr for 65% of the…

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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: Imagine that you took a road trip. Based on the information in the table, what was the average speed…

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Q: Aball is thrown upward in the air, and its height above the ground after t seconds is H(t) = 78 · t…

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Q: A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a…

A: given : speed of second player, v = 11.5 m/s             initial speed of first player, u = 0…

Q: What does this graph represent? Time n object moving with constant speed An object accelerating An…

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Q: Use the graphs below showing an object's velocity, v, over time, t, to answer the following…

A: Given:- Use the graphs below showing an object's velocity, v, over time, t, to answer the following…

Q: What kind of information can you graph on distance vs. time graph

A: Distance:  It is the total distance (length) covered by an object during a specific time interval.…

Q: In 2.0 seconds, the braking of an automobile reduces its speed from 58 miles per hour to 30 miles…

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Q: The graph shows the velocity of an object along a straight line plotted against time. Describe the…

A: The graph shows that the velocity of the object from 0 second to 3 second is constant at a rate of…

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

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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: In 8.0 seconds, the braking of an automobile reduces its speed from 58 miles per hour to 30 miles…

A: Given:- Initial speed of the vehicle is vi=80 mi/h=80 mi1 h×1609 m1 mi×1 h3600 s=35.8 m/s Final…

Q: In 4.0 seconds, the braking of an automobile reduces its speed from 58 miles per hour to 10 miles…

A: Given Initial speedof the automobile is v0=58 miles 1 h=58 miles 1 h×1609 m1 mile×1 h 60 min×1…

Q: Shown below is a graph of velocity versus time for a moving object. The object starts at position x…

A: Given: The graph of velocity vs time is given. The time is t = 3 s.

Q: The first four questions concern the epic journey of a little ant across the floor, moving in a…

A: Total distance travel by ant is :  A. 24.0 m .

Q: Describe the movements in the following graph. Make specific reference to distance, time, speed, and…

A: Object i reaching origin from positive axis Path A  Distance covered is 5m, constant slope shows…

Q: The graph below shows the speed of a ball vs time. What explanation best describes the movement of…

A: Introduction: Speed of an object is defined as the distance covered by the object per unit time.…

Q: speed or velocity before each number i indicates concept of speed and velocity respect 1. A toy car…

A: Speed and velocity can be a little confusing for most of us. Well, the difference between speed…

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

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Q: An object is thrown with a speed of 11.6 m/s at an angle of 59.2 degrees above the horizontal. What…

A: Given Information:- Initial speed of the object is vi=11.6 m/s The ball is thrown at an angle…

Q: A car goes from point A to point B. The speed of the car is constant at 81 km/hr for 66% of the…

A: The relation between speed, distance, and time is given as- speed=distancetime

Q: In 3.0 seconds, the braking of an automobile reduces its speed from 59 miles per hour to 20 miles…

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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 car’s odometer (the meter that measures the distance traveled by the car) reads 25,943 km at the…

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Q: Ramon rode 50 miles to a state park at a certain speed. Had he been able to ride 3 miles per hour…

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

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Q: Item #2: Pete visited his friend and then returned home. The travel graph below shows some…

A: From graph , it is clear that Pete started his journey at 1:30 pm. (The point where graph cuts the…

Q: Figure 1 below shows the Burj (meaning tower) Khalifa building (830 m) with 160 floors/stories. A…

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

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Q: Horatio jogs up a hill at a steady pace. He then accelerates as he goes down the hill. Shortly…

A: The slope of a velocity graph is the acceleration.

Q: The positions of two blocks at successive 0.20-second time intervals are represented by the numbered…

A: The correct option is option : 4.The acceleration of "a" equals the acceleration of "b". Both…

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 –