How do I set up? Problem 6 The Train ProblemA high-speed train rounds a corner traveling at speed 4v when it then sees a slower moving locomotivetraveling at velocity va distance d ahead.4vข(a) Sketch the position and velocity as a function of time for both the train and locomotive (on the sameplot) if the train accelerates in such a way that it just just avoids a collision.(b) What must the acceleration of the train be such that it just avoids a collision? Write your answer interms of vand d.

Answered: Image /qna-images/answer/7a8a7895-d05d-458b-bfb2-a8e8390f8cc6.jpg

Answered: Problem 6 The Train Problem A…

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter2: Kinematics

Section: Chapter Questions

Problem 36PE: An express train passes through a station. It enters with an initial velocity of 22.0 m/s and...

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An express train passes through a station. It enters with an initial velocity of 22.0 m/s and decelerates at a rate of 0.150m/s2 as it goes through. The station in 210.0 m long. (a) How fast is it going when the nose leaves the station? (b) How long is the nose of the train in the station? (c) If the train is 130 m long, what is the velocity of the end of the train as it leaves? (d) When does the end of the train leave the station?
There is a 25O-m-high cliff at Half Dome in Yosemite National Pad in California. Suppose a boulder breaks loose from the top of this cliff. (a) How fast will It be going when It strikes the ground? (b) Assuming a reaction time of 0.300 s, how long a time will a tourist at the bottom have to get out of the way after hearing the sound of the rock breaking loose (neglecting the height of the tourist, which would become negligible anyway if hit)? The speed of sound is 335.0 m/s on this day.
A ball starts from rest and accelerates at 0.500 m/s2 while moving down an inclined plane 9.00 m long. When it reaches the bottom, the ball rolls up another plane, where it comes to rest after moving 15.0 m on that plane. (a) What is the speed of the ball at the bottom of the first plane? (b) During what time interval does the ball roll down the first plane? (c) What is the acceleration along the second plane? (d) What is the balls speed 8.00 m along the second plane?
An express train passes through a station. It enters with an initial velocity of 22.0 m/s and decelerates at a rate of 0.150 m/s2 as it goes through. The station is 210 m long. (a) How long is the nose of the train in the station? (b) How fast is it going when the nose leaves the station? (c) If the train is 130 m long, when does the end of the train leave the station? (d) What is the velocity of the end of the train as it leaves?
A Lockheed Martin F-35 II lighting jet takes off from an aircraft carrier with a runway length of 90 m and a takeoff speed 70 m/s at the end of the runway. Jets are catapulted into airspace from the deck of an aircraft carrier with two sources of propulsion: the jet propulsion and the catapult. At the point of leaving the deck of the aircraft carrier, the F-35’s acceleration decreases to a constant acceleration of 5.0m/s2 at 30 with respect to the horizontal. (a) What is the initial acceleration of the F-35 on the deck of the aircraft carrier to make it airborne? (b) Write the position and velocity of the F-35 in unit vector notation from the point it leaves the deck of the aircraft carrier. (c) At what altitude is the fighter 5.0 s after it leaves the deck of the aircraft carrier? (d) What is its velocity and speed at this time? (e) How far has it traveled horizontally?
You are driving your car along a country road at a speed of 27.0 m/s. As you come over the crest of a hill, you notice a farm tractor 25 m ahead of you on the road, moving in the same direction as you at a speed of 12.0 m/s. You immediately slam on your brakes and slow down with a constant acceleration of magnitude 8 m/s2. Will you hit the tractor before you stop? Ο NO O Yes How far will you travel before you stop or collide with the tractor? 6.5 X m If you stop, how far is the tractor in front of you when you finally stop? (If you instead collide, enter 0 below.) m Enter a number. Submit Answer
ed d out of A truck traveling at 30.0 m/s applies the brakes and decelerates uniformly at a rate of 1,5 m/s?, a) How far does the truck travel in 4.0 s? b) What is its velocity at the end of this time interval? c) How long does it take for the truck to come to a stop? d) What distance does the truck travel before coming to a stop? g question (1) How far does the car travel in 4.0 s? (Please type/enter your answer here) (ii) What is its velocity at the end of this time interval? m/s (Please type/enter your answer here) (ii) How long does it take for the car to come to a stop? (Please type/enter your answer here) (iv) What distance does the car travel before coming to a stop? (Please type/enter your answer here)
A team at SQU fires a rocket beside the college of science from rest at an angle 30° and accelerates at 30 m/s² for 3.0 s. The engine shuts off at a height 202.5 m above the ground. a) Calculate the speed of the rocket after 3s. b) At what time after t =0 will the maximum height be reached? c) What maximum height will the rocket reach?
Question 8 An object is moving with constant non-zero acceleration along the +x-axis. Describe the shape of the graph of the velocity in the x direction as a function of time for this object. O a horizontal straight line. O a vertical straight line. none of the given choices O a parabolic curve. a straight line making an angle with the time axis.
) A cyclist is travelling at a constant speed of 12 m/s when he passes a stationary bus. The bus starts moving just as the cyclist passes, and accelerates at 1.5 m/s2. a- When does the bus reach the same speed as the cyclist?
Problem 1 A cannon ball on the ground is fired at 35 with an initial velocity of 250 m/s. a. How long will it take to hit the ground? b. How far from the cannon ball will it hit the ground? c. Compute for maximum height to be reached by the cannon ball. Given: V. - 250 m/s 35 g- 9.8" Solution: a. The time of flight of the cannon ball 2v, sin 500m/s(sin 35°) 500m/s(0.57) _ 28Sm/s = 29.08s 9.8m/x 9.8m/s 9.8m/s b. The range of the cannon ball v, sin 0 (250m/s) 2 sin 35° 62500m2/s 2(0.57) 9.8m/s R 9.8m/ s 62.500m /s(0.9397) 58,730.79m /s? 9.8m/s 5,992.94m 9.8m/s c. The maximum height that the cannon ball reached v sin 0 (250m/s)²(sin 35")(sin35") 62.500m /s²(0.57) 2(9.8m/s) Утах 28 19.6m/s 62,500m² /s²(0.32899 20,561.87m /s- 1,049.08m 19.6m/s 19.6m/s This time, it's your turn to solve the next problem. Problem 2 An arrow is launched at a velocity of 20 m/s in a direction making an angle of 25° upward with the horizontal. 10 a. How long will it take to hit the ground? b. How far from the…
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