Find the car's average velocity for the following time intervals: Time interval [1,3] feet/ second Time interval [2,3] feet/second

Q: A public transportation bus travels back and forth along a road, following the position versus time…

A: given -  Position -time graph

Q: A circular track has a radius of 120 m. An athlete runs half-way round the track and stops. (i) How…

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Q: A car in stop-and-go traffic starts at rest, moves forward 25min 8.0s, then comes to rest again.What…

A: The distance covered by the car in last 2.0 seconds can be calculated using given steps.

Q: The figure below is the position vs time graph for a moving object. What is the object's average…

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Q: A car travels at 30.0 m/s and sees a truck 100.0 m ahead of it that is traveling at 20.0 m/s. The…

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Q: The figure below is the position vs time graph for a moving object. What is the object's average…

A: Segment a is from t = 0 s to t = 1 s Segment b is from t = 0 s to t = 4 s Segment c is from t = 3 s…

Q: An airplane accelerates down a run at 3.20 m/s for 32.8 s until finally lifts off the ground.…

A: Given data: Initial velocity (Vi) = 0 m/s Acceleration (a) = 32.8 m/s2 Time (t) = 32.8 s Required:…

Q: Questions 4 & 5: An object moves so that its position is given by S = at + bt? + ct + d from time o…

A: page-1Quetsion:-Given:- position S=at4+bt2+ct+d    a,b,c and d →constantTo find:-(i) average…

Q: The displacement (in meters) of an object moving in a straight line is given by s=2/t where t is…

A: Given value--- The displacement (in meters) of an object moving in a straight line is given by…

Q: An object on a number line moved from x = 12 m to x = 124 m andmoved back to x = 98 m. The time…

A: Given,  Initial position of the object = X1 = 12 m Then the object moved to position 2, X2 = 124 m…

Q: A particle starts at the origin (x = 0) and moves in one dimension. The figure shows the velocity of…

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Q: a particle moves according to the equation x=10^2,where x is in meters and t is in seconds. a) find…

A: X = 10² dx/dt = 0 Velocity will be zero at every interval

Q: At the moment of departure of a train, the signalman is standing next to the first wagon, which…

A: Answer            63.6 Sec

Q: A car has an initial speed of 15 m/s and a constant deceleration of 1.5 m/s2. Determine the velocity…

A: Given u = 15 m/s  a = - 1.5 m/s2    .........(deceleration)   t = 2 s    v = ?  From kinematics…

Q: A Turtle is moving with a constant acceleration along a straight path. He starts his stopwatch as he…

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Q: A car is initiat driving along a level, straight road at 10m/s in the positive direction. The…

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Q: A squirrel runs along an overhead telephone wire that stretches from the top of one pole to the…

A: NOTE- As per our guidelines we are supposed to answer  only one question. Kindly repost other…

Q: A car travels in a straight line. The position of the car satisfies the following relationship as a…

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Q: 2 3 4 T(s) During what time interval is the acceleration negative? From t = 7 s to t = 9 s The…

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Q: A stone is thrown up with a velocity of 74 m/s from the ground. While coming down, it strikes a…

A: Given: The initial velocity of the stone is 74 m/s. The position of the glass is mid point of the…

Q: At the end of a race a runner decelerates from a velocity of 9.10 m/s at a rate of 1.50 m/s2. (a)…

A: Velocity, u = 9.10 m/sDeceleration, a = 1.50 m/s²Time, t = 6.50 s

Q: A bicyclist starts from rest and accelerates at a rate of 4.00 m/s2 for 3.00 s. The cyclist then…

A: The initial speed of the cyclist is 0 m/s.The acceleration of the cyclist is 4 m/s2.The time…

Q: A car starts from rest with an acceleration of 6.8 m/s² which decreases linearly with time to zero…

A: Given: The initial acceleration of the car is 6.8 m/s2.            The final acceleration of the car…

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: You start from your house at 10:00am, goes to the grocery shop and then to your friend's house. You…

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Q: A person walks first at a constant speed of 5.6 m/s along a straight line from point A to point B…

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Q: A block sliding across the floor slows at a rate of −1.5 m/s2. It takes the block 2.0 seconds to…

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

A: (a) Write the expression for the average velocity in the first 4  seconds. vav=v0+v42 Substitute the…

Q: A car travels in a straight line along a road. The car’s distance x from a stop sign is given as a…

A: (a) Given: The equation of position is xt=αt2-βt3 where α=1.50 ms2 and β=0.0500 ms3. Introduction:…

Q: A particle moves in a straight line with a constant acceleration of 1.25 m/s2for 6s, zero…

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Q: An automobile travels along a straight road at 15.65 m/s through a 11.18 m/s speed zone. A police…

A: For automobile Using Newton's equation of motion,  v=u+at Here,  v=0u=15.65 m/sa=-3.05 m/s2…

Q: A child on a bicycle approaches a stop sign and applies the brakes to slow to a stop. If the…

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Q: A car travels in a straight line. The position of the car satisfies the following relationship as a…

A: We will first find an expression for velocity using the given position expression. Then we will…

Q: An object is dropped from rest from the top of a 55.68-meter building. After 1.63 seconds, another…

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Q: The engine of a model rocket accelerates the rocket vertically upward for 2.0 s as follows: At t =…

A: Introduction: Displacement, velocity and acceleration of particle are interconnected quantity.…

Q: At a certain time a particle had a speed of 12 m/s in the positive x direction, and 1.2 s later its…

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Q: Based from the position time graph of walking person given below, decide which segment of the graph…

A: Solution:   We know that,   The slope of the position versus time gives velocity. So, Positive the…

Q: A physics teacher walks 5 km East, 2.5 km South, 5 km West, and finally 2.5 km North. The entire…

A: The solution can be given as :- Average speed=total distancetimeAverage velocity=total…

Q: Jack and Jill exercise in a 25.0 m long swimming pool. Jack swims 9 lengths of the pool in 148.7 s…

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Q: Starting from rest, a car accelerates at a constant rate of 3.0 m/s2 for a time of 5 seconds.…

A: Given:acceleration of the car a = 3 m/s2initial velocity of the car, u = 0 m/sSolution:1. From the…

Q: boy walks 300m in a straight line in three stages: for the first 100m he starts from rest and…

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Q: Jack and Jill exercise in a 25.0 m long swimming pool. Jack swims 9 lengths of the pool in 146.7 s…

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Q: An object A moves along the x-axis according to the equation: x(t) = 3.5t2+1.7t+14.0 where x is in…

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Q: A particle moves along a straight line and its velocity depends on time t as v = 4t – t2. Here v is…

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Q: If a particle increases in speed at a constant rate as it moves in the positive direction along an x…

A: Acceleration is the rate of change of velocity a = dv/dt Slope of velocity time graph represent…

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 –