Tuesday

March 31, 2015

March 31, 2015

Posted by **laura** on Thursday, August 18, 2011 at 2:16am.

(a) If the reaction time of the engineer is 0.43 s, what is the minimum (constant) rate at which the passenger train must lose speed if a collision is to be avoided?

m/s2

(b) If the engineer's reaction time is 0.87 s and the train loses speed at the minimum rate described in Part (a), at what rate is the passenger train approaching the freight train when the two collide?

m/s

(c) For both reaction times, how far will the passenger train have traveled in the time between the sighting of the freight train and the collision?

km

- physics -
**Anonymous**, Sunday, August 31, 2014 at 8:13pm23322

**Answer this Question**

**Related Questions**

physics - An engineer of a passenger train traveling at 25.0 m/s sights a ...

Physics - the engineer of a passenger train traveling at 25.0 m/s sights a ...

physics - The engineer of a passenger train traveling at 25.0 m/s sights a ...

Math - 5) A freight train leaves a station traveling at 32 km/h. Two hours later...

Physics - Some how TRAIN A travelling at 36 m/s, is accidentally sidetracked ...

algebra 1b - the speed of a passenger train is 18mph faster than the speed of a ...

algebra - a passenger train's speed is 60mi/h, and a freight train's speed is ...

algebra - A passenger train's speed is 60 mi/h, and a freight train's speed is ...

algebra - the speed of a passenger train is 20mph faster than the speed of a ...

Algebra - A freight train leaves Chicago traveling West at 35 mph. An hour later...