A ball rolls along flat ground at 7.5 m/s (call this the positive direction) then encounters a hill. If the ball rolls 19 m up the hill before coming to a stop, what was the acceleration (in m/s2) experienced by the ball as it rolled up the hill?

Q: Give an example of vertical motion with a negative velocity and a negative acceleration?

A: Vertical motion

Q: If you run in a straight line at a constant speed of 6 m/s, how far do you travel in 3 seconds? 18…

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Q: The data represented in the velocity vs. time graph below is from a car traveling along a flat…

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Q: Approximately how long does it take for an object thrown straight upward with a velocity of 50 m/s,…

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Q: The maker of an automobile advertises that it takes 13 seconds to accelerate from 25 kilometers per…

A: It is given that, t=13 su=25 km/hr=6.94 m/sv=80 km/hr=22.22 m/s

Q: If Marian walked 1m in the first second, another meter in the next second and another in the third…

A: Since it moves 1m in wach second  So its velocity is constant  V  = 1/1 = 1 m/s

Q: If it takes a bicyclist 20 seconds to reach a speed of 10 mph from rest, what is her acceleration?…

A: SOlurion: Given that If it takes a bicyclist 20 seconds to reach a speed of 10 mph from rest,  For…

Q: The maker of an automobile advertises that it takes 13 seconds to accelerate from 25 kilometers per…

A: Acceleration is the rate of change in velocity per unit time. Since it is a vector quantity , it has…

Q: A well-thrown ball is caught in a well-padded mitt. If the deceleration of the ball is 2.10×104…

A: acceleration, a = - 2.1 × 104 m/s2  Time, t = 1.85 ms final velocity, v = 0 m/s

Q: A car moves along a straight line whose equation of motion is given by s=5+4t-t^2, where s is…

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Q: A girl is walking at a straight direction with a steady speed of 0.5 meters per second. If it took…

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Q: : An automobile starting from rest speeds up to 40 meters per second with a constant acceleration of…

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Q: What is the average acceleration of an airplane in a runway that accelerates from rest to 750 km/h…

A: Given data: Initial velocity (v0) = 0 m/s Final velocity (v) = 750 km/h Time (t) = 2.2 minutes…

Q: At the instant the traffic light turns green, a car that has been waiting at an intersection starts…

A: Given:- Acceleration of the car is 6 feet /sec2  At the same time, a truck traveling with a constant…

Q: A stone is thrown vertically upward at the rate of 20 m/s. It will return to the ground after how…

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Q: A ball is thrown straight up with a velocity of 20 m/s. At the top of its path its acceleration is:…

A: When a ball is thrown up with an initial velocity of 20m/s, the velocity of the ball decreases as…

Q: On the moon where g = 1.6 m/s2, a stone was dropped from a certain heigh hit the ground after 6…

A: let upward direction represent positive and downward is negative axis

Q: A train traveling initially at 16 m/s undergoes a constant acceleration of 2 m/s² in the same…

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Q: It takes Usain 8 s to run from x= 0, to x -+ 10 m and then back to x = -80 m. What is his average…

A:

Q: Determine the acceleration (in m/s2) of an object which ... . moves in a straight line with a…

A: Acceleration is rate of change of velocity. 1) Acceleration is zero as the body is moving with…

Q: A car is traveling at an initial speed of 15 m/s. It then speeds up with a constant acceleration of…

A: Given that:- u=15 m/sa=2 m/s2t=15 secv=?

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

A: Given: time distance 0 0 1 2 2 8 3 18 4 32 5 50

Q: A dragster travels 1/4 mi in 6.7 s. Assuming that acceleration is constant and the dragster is…

A: Given Information:Initial velocity u = 0Distance travelled s = (1/4) miles = 402.336 meters.1 mile =…

Q: At the instant a traffic light turns green, a car that has been waiting at the intersection starts…

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Q: If we know the time it takes to accelerate from rest and travel a given distance, which formula can…

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Q: A runner maintains constant acceleration after starting from rest as she runs a distance of 60.0 m.…

A: Given in question:  Distance(S) = 60.0 m                                   Initial speed(u) = 0…

Q: An object moves along a straight line with an acceleration of 2 m/s2. If its initial speed is 10…

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Q: An object with an initial velocity of 5m/s5m/s slows to 1m/s1m/s over a distance of 10m10m.  What is…

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Q: A roller coaster car rolls from rest down a 20° incline with an acceleration of 5.0 m/s? How far…

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

A: Write the expression for the average velocity. Here, x represents the displacement and t represents…

Q: When it takes a car 8.9 s to increase its speed from 4.5 m/s to 25.4 m/s, what is the magnitude of…

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Q: An object is moving at speed of 30 m/s on a straight line when it starts to slow down at a rate of 5…

A: 75.6 m

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

A: Given Displacement of motorbike is △x=50 m Time taken is ∆t=5 s

Q: Consider the following velocity versus time graph for a moving car. Velocity (m/s) 20 10 -10 -20 -30…

A: The acceleration can be found by finding the slope of the graph For 0 to 30 s: a = (-20 - 20)30 =…

Q: An airplane travels 2100 km at a speed of 720 km/h and  then encounters a tailwind that boosts its…

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Q: A car decelerates uniformly and comes to a stop after 10 s. The car's average velocity…

A:

Q: A balloon is rising with a velocity of 2 m/s when a bag of sand is released. If the height at the…

A:

Q: A car traveling in a straight line with an initial velocity of 10 m/s undergoes a constant…

A: Use the kinematic equation in terms of initial velocity, time, and distance covered. ∆x=vit+12at2

Q: A vessel undergoes an average acceleration of 1.80m/s². What is the speed of the vessel after 85.6s?…

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Q: It takes usain 8 s to run from x= 0 to x=+10 m then back to x=-80 m what is his average velocity…

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Q: A long distance runner has an average speed of 4 m/s during a race. How far does the runner travel…

A: Answer = 4800 meters

Q: Shane Zaragosa was driving a vehicle in Davao where he got distracted by a group of cute students of…

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Q: A baseball is thrown straight up into the air with an initial velocity of 8 m/s from a height of 0.8…

A: Apply the kinematics formula,  v=u+at Here, v is final velocity, u is initial velocity, a is…

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 –