Amtrak's 20th-Century Limited is en route from Chicago to New York at 120 km/h when the engineer spots a cow on the track. The train brakes to a halt in 1.5 min , stopping just in front of the cow. What is the magnitude of the train's acceleration?

Q: NASA is launching a rocket into space from Earth.  This particular rocket burns its fuel for 5…

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Q: A hot-air balloon is rising upward with a constant speed of 2.93 m/s. When the balloon is 2.03 m…

A: given  initial speed of compass (u)=-2.93 m/s height(s)=2.03 m Acceleration due to gravity (g)=9.8…

Q: you are walking at the same speed of 1.17 m/s.1.17 m/s. Suddenly, you notice a wallet on the ground.…

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Q: Two ants pass each other one is moving along the negative x axis and one is moving at 45 degrees to…

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Q: A car is 2.54 km west of a traffic light at t = 0 and 5.91 km east of the light at t = 6.00 min.…

A: The position of light is at origin ie (0,0). The distance coordinate of any position is expressed…

Q: A speeder travelling at a constant velocity of 40 m/s passes by a police car that is initially at…

A: Given:  The  velocity of the speeder is v = 40 m/s  The police car is initially on the rest.  The…

Q: Jennie rides a yacht traveling west at a velocity of 15 m/s across a river that is flowing northwest…

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Q: Passengers in a whirly-go-round (a "puke your guts out" amusement ride) are subjected to…

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Q: In the classic book by Jules Veme, Phileas Fogg travels around the world in 80 days. Leaving London,…

A: Given data: Time (t) = 80 days Radius of the earth (r) = 6.38 × 106 m/s Starting from London and…

Q: Two trains, one traveling at 72.0 km/h and the other at 144 km/h, are headed toward one another…

A: Given data:  For train 1 Initial velocity (Vi) = 72.0 km/h = 20.0 m/s For train 2  Initial velocity…

Q: A spacecraft is traveling with a velocity of vox-5030 m/s along the +x direction. Two engines are…

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Q: A dog slips out of its collar while going for a walk and runs away at full speed.  By the time the…

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Q: A car rounds the clover-leaf at 13 "/s as it enters the 400 meter-long merge zone. a) What…

A: Answer:-  + 0.990 m/s2 Given  Initial velocity (u) = 13 m/s  Final Velocity (V) = 31 m/s  Distance…

Q: A girl on a bicycle takes 15.4 s to ride half way around a circular track of radius 19.0 m (see the…

A: a)The average speed is,

Q: A speed skater moving to the left across frictionless ice at 8.4 m/sm/s hits a 4.8-mm-wide patch of…

A: Given data:  Initial velocity (V0) = 8.4 m/s Distance traveled by skater (s) = 4.8 m Final velocity…

Q: Destiny is eating lunch at her favorite cafe when her friend Jada calls and says she wants to meet…

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Q: You are scheduled to fly from Vancouver to San Francisco, USA, which is 1600 km away, due South.…

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Q: A satellite in outer space is moving at a constant velocity of 21.2 m/s in the +y direction when one…

A: Given data: Velocity in y-direction, Vy=21.2 m/s Acceleration, a=0.360 m/s2 Time, t=40 s

Q: Two soccer players start from rest, 43 m apart. They run directly toward each other, both players…

A: According to the given data S=43m v a1=0.49m/s2 a2= 0.46m/s2 we need tot find (a) time before they…

Q: On a spacecraft two engines fire for a time of 567 s. One gives the craft an acceleration in the x…

A: Given: Timing of fire the engine (t) = 567 s. Acceleration of engine in direction x (ax) = 4.8 m/s2.…

Q: Two cars are moving towards an intersection. One car is 150 meters north of the intersection and…

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Q: Two soccer players start from rest, 28 m apart. They run directly toward each other, both players…

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Q: In an historical movie, two knights on horseback start from rest 75.0 m apart and ride directly…

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Q: A car is traveling with a constant speed along a road that has a form of an equilateral triangle.…

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Q: train slows down as it rounds a sharp horizontal turn, slowing from 50.4m/s to 24.9m/s in the 18.0s…

A: Given Data:The initial velocity of a train is, v1 =50.4m/sThe final velocity of a train is.v2 =…

Q: A spacecraft is traveling with a velocity of Vox = 5900 m/s along the +x direction. Two engines are…

A: Initial velocity of the spacecraft (vox) = 5900 ms , in + x direction initial vertical velocity…

Q: Lisa in her Lamborghini accelerates at the rate of (2.201 - 2.20j) m/s², while Jill in her Jaguar…

A: Lisa accelerates her Lamborghini at a rate of , while Jill accelerates her Jaguar at .Let's solve…

Q: 12. A spacecraft is traveling with a velocity of va. = 5480 m/s along the +x direction. Two engines…

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Q: An object is released from rest on a planet that has no atmosphere. The object falls freely for 4.9…

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Q: A spacecraft is traveling with a velocity of v0x = 5010 m/s along the +x direction. Two engines are…

A: Given data: The x-component of the initial velocity of the spacecraft, v0x=5010 m/s. The time…

Q: Two trains, one training at 72.0km/h and the other at 144km/h, are headed toward one another along a…

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Q: On a spacecraft, two engines are turned on for 732 s at a moment when the velocity of the craft has…

A: Given The time up to which the engine turned on is t=732 s The x component of velocity is v0x =…

Q: Two soccer players start from rest, 47 m apart. They run directly toward each other, both players…

A:

Q: A girl on a bicycle takes 13.6 s to ride half way around a circular track of radius 12.5 m (see the…

A: (a) Girl’s average speed is,

Q: A spacecraft is traveling with a velocity of vox = 6920 m/s along the +x direction. Two engines are…

A: Initial velocity along the x-axis: v0x = 6920 m/s Time: t= 844 s Acceleration along x direction: ax…

Q: A spacecraft is traveling with a velocity of v0x = 5505 m/s along the +x direction. Two engines are…

A: Ans:- Image-1

Q: The infamous chicken is dashing toward home plate with a speed of 5.7 m/s when he decides to hit the…

A: (a) The magnitude of acceleration is given by,

Q: A spacecraft on its way to Mars has small rocket engines mounted on its hull; one on its left…

A: ax = 5.10ms2ay = 7.30 ms2vx = 3550 msvy = 4498 mstime (t) = 640 seconds

Q: A baseball pitcher delivers his fastball at 145 km/h to a catcher behind the plate. The ball hits…

A: Given data:  Initial velocity (u) = 145 km/h Final velocity (v) = 0 m/s Distance (d) = 12.0 cm =…

Q: A satellite in outer space is moving at a constant velocity of 21.2 m/s in the ty direction when one…

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Q: A cameraman on a pickup truck is traveling westward at 20 km/h while he records a cheetah that is…

A: a) The required magnitude of the acceleration relative to cameraman is, b) The direction of…

Q: A spacecraft on its way to Mars has small rocket engines mounted on its hull; one on its left…

A: ax = 5.10 m/s2ay = 7.30 m/s2vx = 3515 m/s vy = 4136 m/s

Q: A bicycle travels 7.30km due east in 0.270h,then 10.00km at 15.0degrees east of north in 0.300h,…

A: Average velocity is equal to displacement of the object divided by time taken. In given problem we…

Q: Question #2: A Tesla Model 3 is driving down Bank Street in Ottawa, Ontario. It is driving along…

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Q: A cork bobs up and down in a lake. The distance from the bottom of the lake to the center of the…

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Q: A speeder travelling at a constant velocity of 40 m/s passes by a police car that is initially at…

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 –