When a high-speed passenger train traveling at Vp = 160 km/h rounds a bend, the engineer is shocked to see that a locomotive has improperly entered onto the track from a siding and is a distance D = 652 m ahead (see the figure). The locomotive is moving at VL = 30 km/h. The engineer of the passenger train immediately applies the brakes. Assume that an x axis extends in the direction of motion. What must be the constant acceleration along that axis if a collision is to be just avoided? High-speed train Locomotive

Glencoe Physics: Principles and Problems, Student Edition
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Chapter6: Motion In Two Dimensions
Section: Chapter Questions
Problem 87A
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When a high-speed passenger train traveling at vp = 160 km/h rounds a bend, the engineer is shocked to see that a locomotive has
improperly entered onto the track from a siding and is a distance D = 652 m ahead (see the figure). The locomotive is moving at
VL = 30 km/h. The engineer of the passenger train immediately applies the brakes. Assume that an x axis extends in the direction of
motion. What must be the constant acceleration along that axis if a collision is to be just avoided?
High-speed
train
Locomotive
Number
Units
Transcribed Image Text:Current Attempt in Progress When a high-speed passenger train traveling at vp = 160 km/h rounds a bend, the engineer is shocked to see that a locomotive has improperly entered onto the track from a siding and is a distance D = 652 m ahead (see the figure). The locomotive is moving at VL = 30 km/h. The engineer of the passenger train immediately applies the brakes. Assume that an x axis extends in the direction of motion. What must be the constant acceleration along that axis if a collision is to be just avoided? High-speed train Locomotive Number Units
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