A rocket-powered sled moves along a track, eventually reaching a top speed of 209 m/s to the east. It then begins to slow down, reaching a complete stop after slowing down for 2.03 s. What was the sled s average acceleration and velocity during the slowdown phase?

Q: A horse canters away from its trainer in a straight line, moving 45 m away in 8.7 s. It then turns…

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Q: S roller coaster rapidly picks up speed as it roles down a slope. As it startx down the slope the…

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Q: cheetah can accelerate from rest to 23.5 m/s in 2.00 s. Assume that the acceleration is constant…

A: Given: The initial speed of the cheetah is 0 m/s. The final speed of the cheetah is 23.5 m/s. The…

Q: Problem 22:   A rock takes 2.85 s to hit the ground when it is thrown straight up from the cliff…

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Q: The first stretch of a 100-meter dash are covered in 2.00 seconds by a sprinter who starts from rest…

A: Distance covered in first stretch, s = 100 m - 90 m = 10 mTime taken, t = 2 sAcceleration is…

Q: The problem states, "A truck on a straight road starts from rest, accelerating at 2.00 m/s2 until it…

A: Given data:  Initial velocity (V0) = 0 m/s Acceleration (a1) = 2.00 m/s2 Velocity (V1) = 20.0 m/s…

Q: (a) A runner starts a race at rest then accelerates for 10.0 s reaching a velocity of 9 m/s. How far…

A: initial velocity = V0= 0 m/s time = t = 10 sec final velocity = V = 9 m/s

Q: mits. His acceleration is a constant 4.0. At time t=0 he is 5.0 m east of the signpost, moving east…

A: Given thatConstant acceleration (a)=4.0 m/s2At t=0 , motorcyclist is 5 m eastwith velocity (u)=15…

Q: A car travels up a hill at a constant speed of 10.0m/s and goes down through the same path at a…

A: Given data:  Speed when car travels up a hill (V1) = 10.0 m/s Speed when car travels down the hill…

Q: A car is traveling at 40 mph on a straight road. The driver applies the brakes for 3 sec, producing…

A: initial velocity u= 40mph =17.88m/s duration of brake applied t = 3sec deceleration a = -5.5ft/sec2=…

Q: A rocket-powered sled moves along a track, eventually reaching a top speed of 212 m/s to the west.…

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Q: An object starts from rest at time t = 0.00 s and moves in the +x direction with constant…

A: Given data  The object's initial velocity is: u = 0 The object starts at the time: t1 = 0 s The…

Q: Light-rail passenger trains that provide transportation within and between cities speed up and slow…

A: Initial speed of the train = u = 6.0 m/sSpeed after 8 sec = v = 11 m/s To calculate The final speed…

Q: Sophie is a football player. Her teammate passes the ball to her with a speed of 15.0m/s. Sophie…

A: Given:         v1= 15 m/s         v2= 30 m/s        ∆t = 9 ms= 9×10-3s

Q: A motorcycle has a constant acceleration of 4.05 m/s2. Both the velocity and acceleration of the…

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Q: While driving south on hwy 400, Jim gets stuck travelling at 1.9 m/s behind a slow truck. He finally…

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Q: The elevator starts on the first floor then accelerates 2.46 ft/ss for 5 sec and continues for 12…

A: Acceleration of the elevator a=2.46 ft/s2 Time for which the elevator is accelerated t1=5 s The…

Q: An aircraft starts at rest and is accelerated for 14.4 seconds, at which time the aircraft launches.…

A: Here, Aircraft starts at rest, so, its initial velocity, u = 0 m/s Time of launch, t = 14.4 s…

Q: You normally drive on the freeway between two cities at an average  speed of 30 m/s (67 mph), and…

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Q: How long did the ball take to return to the juggler’s hand?

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Q: A car is coasting backwards down hill at a speed of 3.0m/s when the driver gets the engine started.…

A: Average acceleration

Q: The cheetah is the world’s fastest land mammal and can accelerate from rest to 26.3 m/s in 28.1 s.…

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Q: A jet airplane touches down on an airport runway with a speed of 213 km/hr. It slows at a constant…

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Q: What is the total distance covered?

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Q: A car is traveling along a straight road at a velocity of +25.8 m/s when its engine cuts out. For…

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Q: An airplane covers a straight-line distance of 8.59 km in 30 .1 s, during which time it has a…

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Q: The contraction of the left ventricle of the heart lasts for 250 ms and the blood speed after…

A: Given - The contraction time of the left ventricle of the heart ( ∆T )=250 ms=250×10-3 s The rate…

Q: A truck on a straight road starts from rest, accelerating at 2 m/s2 until it reaches a speed of 20.0…

A: Given values: When starts from rest, Initial speed, u1=0 m/s Final speed, v1=20 m/s Acceleration,…

Q: the drag racer starts from rest and moves north with a constant acceleration of a1=2.20 m/s2 for…

A: Given:- a1 = 2.20 m/s2 t=95.4 s a2=2.91m/s2

Q: A car is traveling at a speed of 30 m/s, a typical highway speed, on wet pavement. The driver sees…

A: Initially, speed of the car was, u = 30 m/s. The driver took t1 = 0.75 s to apply the brake Distance…

Q: The citizen leaves a city at 3:00 p.m. It travels at 36.0 m / s when the engine of its car stops.…

A: Given: Initial speed of car (u) = 36.0 m/s During first t1 =12 seconds the acceleration of car = a1.…

Q: A car traveling with an initial velocity of 26.75 m/s to the east, sees a wall 68.12 meters to its…

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Q: One simple model for a person running the 100 mm dash is to assume the sprinter runs with constant…

A: Distance = s = 100 m Top speed = v = 11.1 m/s Time = t = 2.44 s Say initial velocity is u = 0 m/s…

Q: A particle has a displacement given by the equation x(t) = 3.0 + 2.0t, where x is in meters and t is…

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Q: Determine the displacement, average velocity, average speed and average acceleration for the time…

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Q: A man walks on a straight road from his home to market 2.5 km away with a speed of 5 km/h. Finding…

A: The distance from the home to market is given as, s=2.5 km (or) s=2500 m The speed of man with which…

Q: Compute your  Average velocity in the following two cases: (a)  You walk 61.4 m at a speed of 2.47…

A: Part (a): Given,

Q: A particle at t₁ = -2.0 s is at x₁ = 4.3 cm and at t₂ = 4.5 s is at x₂ = 8.5 cm. What is its average…

A: We have to determine the average velocity from the given data. Given that, t1=-2.0 sx1=4.3 cmt2=4.5…

Q: An object slows down from a velocity in the positive direction of 60mi/h to 25mi/h over the course…

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Q: The engineer of an intercity train observes a rock slide blocking the train's path 550 m ahead and…

A: Given data:  Distance (s) = 550 m Acceleration (a) = -1.7 m/s2 Final velocity (V) = 0 m/s Required:…

Q: A VW Beetle goes from 0 to 54.0 mi/h with an acceleration of +2.35 m/s2. (a) How much time does it…

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Q: An 18-year-old runner can complete a 10.0-km course with an average speed of 4.51 m/s. A 50-year-old…

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Q: A rocket-powered sled moves along a track, eventually reaching a top speed of 219 m/s to the east.…

A: acceleration is defined as the rate of change of velocity.  a = (v-u)/t  here, acceleration  is…

Q: A Thomson's gazelle can run at very high speeds, but its acceleration is relatively modest. A…

A: a. Given data: Acceleration of the gazelle is a=4.2 m/s2 Time taken for sprint, t=6.5 s To…

Q: A rocket-powered sled moves along a track, eventually reaching a top speed of 150 m/s to the west.…

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Q: George, the absent-minded professor, drives his car 5.0 miles due east along a straight road to the…

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Q: Jown, What was the sled s average acceleration and velocity during the slowdown phase?

A:

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 –