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Particle A with V 50 kph was released from station A in the direction approaching station B. After 30 minutes, particle B with V = 60 kph was then released in station B in the direction towards station A. If the stations are 150 km apart, compute the distance traveled by particle B before they collide. a. 38.8 km b. 47.2 km c. 56.8 km d. 68.2 km

Particle A with V 50 kph was released from station A in the direction approaching station B. After 30 minutes, particle B with V = 60 kph was then released in station B in the direction towards station A. If the stations are 150 km apart, compute the distance traveled by particle B before they collide. a. 38.8 km b. 47.2 km c. 56.8 km d. 68.2 km

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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5. Particle A with V = 50 kph was released from station A in the direction approaching station B. After 30 minutes, particle B with V = 60 kph was then released in station B in the direction towards station A. If the stations are 150 km apart, compute the distance traveled by particle B before they collide. a. 38.8 km b. 47.2 km c. 56.8 km d. 68.2 km 6. If a 500-m train took 120 sec to completely pass through a kilometer- long tunnel, determine its velocity. a. 30 kph b. 45 kph c. 60 kph d. 125 kph 10. The position of a particle along the x- axis is located with the equation x=913+612+4, where t is in seconds and x is in m position at x. Solve for the initial acceleration. 7. A ball is thrown vertically into the air at 40m/s. After 3.5 seconds, another ball is thrown vertically. What must be the initial velocity of the second ball to pass the first ball at an elevation of 30m from the ground? a. 32.96 m/s b. 26.59 m/s c. 29.23 m/s d. 36.92 m/s 8. In the previous problem, compute the highest height the second ball can reach. a. 55.4 m b. 36.0 m c. 43.5 m d. 69.5 m a. 12 m/s^2 b. 54 m/s^2 c.76 m/s^2 d. 88 m/s^2 11. An airplane moving 26 kph westward dropped a missile at an altitude of 11.0 km ASL. What was the missile's total velocity upon impact on the sea surface? 9. An auto is to travel a distance from A a. 531 m/s b. 629 m/s c. 493 m/s d. 465 m/s 12. The racing car shown in the figure is traveling at 90 kph when it enters the semicircular curve at A. The driver increases the speed at a uniform rate, emerging from the curve at C at 144 kph. Determine the magnitude of acceleration when the car is at B. to B of 2400 ft in exactly 40 seconds. The auto accelerates and decelerates at 6fps^2, starting at rest from A and coming to a stop at B. Find its maximum speed in fps. a. 60 fps b. 80 fps c. 100 fps d. 120 fps a. 10.4 m/s² b. 11.2 m/s² 0 R= 100 m IC c. 9.3 m/s² d. 8.7 m/s² B 13. A car accelerates for 5 seconds u 600-mm diameter rear wheels 120 rpm. During the tim
Transcribed Image Text:5. Particle A with V = 50 kph was released from station A in the direction approaching station B. After 30 minutes, particle B with V = 60 kph was then released in station B in the direction towards station A. If the stations are 150 km apart, compute the distance traveled by particle B before they collide. a. 38.8 km b. 47.2 km c. 56.8 km d. 68.2 km 6. If a 500-m train took 120 sec to completely pass through a kilometer- long tunnel, determine its velocity. a. 30 kph b. 45 kph c. 60 kph d. 125 kph 10. The position of a particle along the x- axis is located with the equation x=913+612+4, where t is in seconds and x is in m position at x. Solve for the initial acceleration. 7. A ball is thrown vertically into the air at 40m/s. After 3.5 seconds, another ball is thrown vertically. What must be the initial velocity of the second ball to pass the first ball at an elevation of 30m from the ground? a. 32.96 m/s b. 26.59 m/s c. 29.23 m/s d. 36.92 m/s 8. In the previous problem, compute the highest height the second ball can reach. a. 55.4 m b. 36.0 m c. 43.5 m d. 69.5 m a. 12 m/s^2 b. 54 m/s^2 c.76 m/s^2 d. 88 m/s^2 11. An airplane moving 26 kph westward dropped a missile at an altitude of 11.0 km ASL. What was the missile's total velocity upon impact on the sea surface? 9. An auto is to travel a distance from A a. 531 m/s b. 629 m/s c. 493 m/s d. 465 m/s 12. The racing car shown in the figure is traveling at 90 kph when it enters the semicircular curve at A. The driver increases the speed at a uniform rate, emerging from the curve at C at 144 kph. Determine the magnitude of acceleration when the car is at B. to B of 2400 ft in exactly 40 seconds. The auto accelerates and decelerates at 6fps^2, starting at rest from A and coming to a stop at B. Find its maximum speed in fps. a. 60 fps b. 80 fps c. 100 fps d. 120 fps a. 10.4 m/s² b. 11.2 m/s² 0 R= 100 m IC c. 9.3 m/s² d. 8.7 m/s² B 13. A car accelerates for 5 seconds u 600-mm diameter rear wheels 120 rpm. During the tim
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